{
  "manageEntity": {
    "action": "Update",
    "entityId": "887781517",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraamkwluaha6rq4j2oajwtk3a3xfm43hr2lelzydp7ftzucvnaefga\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":302807856},{\"type\":\"playlist\",\"playlist_id\":104421225}]}}}",
    "nonce": "0xa9eff6c743ef8f8f63738cae925eb8a4f741730dec7d49a4290b1f4915b363a8",
    "signature": "0x82e759d15332c4e4a057160b6294c185159cf0cdb22a830da32e0cfaf132d42b2a19b699292ca7deb55aecaaf062766f3c0952664aebe429b353d84c0d4c27cc1b",
    "signer": "0x2480668A2849AD9Eeef1129d84348cd7073D4Ec7",
    "userId": "887781517"
  }
}