{
  "manageEntity": {
    "action": "Update",
    "entityId": "887781517",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera5uy4wklgcm75ux7apc3wsge7yq2z4vwnktz6cg7tntbkrwerx5nq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":302807856},{\"type\":\"playlist\",\"playlist_id\":104421225},{\"type\":\"playlist\",\"playlist_id\":587752456}]}}}",
    "nonce": "0xe3ad9036505c2df0ba0f98caf8cad3c92d8277527e891c56fa3b25221437a99f",
    "signature": "0xec05b0209827853689d9d5ab885520ffe7abe506d7fc081a9cc2f72416a9702b09e5b7472e4bd8c47383dc624564ed3a2cbdf17908746e933dae1b7f039bb5c81b",
    "signer": "0x2480668A2849AD9Eeef1129d84348cd7073D4Ec7",
    "userId": "887781517"
  }
}