{
  "manageEntity": {
    "action": "Update",
    "entityId": "950805053",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xbd2ce69f9b7e4587f7bdd49c1585881d3a19d47ebe3ea4290db480c9394ccbec",
    "signature": "0xbc347abf3c873ff892df5852f7ae2d2a7b0f30acc7fb661d25dedd21102124323fa220b08cec9f05e55c43f42cb4c985960e22058209f49326c667947fc6d6a81c",
    "signer": "0x00701300FDB94D63AE727Bc13d0e6C6AEbB6a494",
    "userId": "950805053"
  }
}