{
  "manageEntity": {
    "action": "Update",
    "entityId": "846847743",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera447tzhmllpylfhsf2fwoua3y37y56mbu5wizybeepxy6lfd57f4a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":118570181}]}}}",
    "nonce": "0xb80ba09ff68e7b1e494077636c2a43d71f04d03c6efda6b3fc8804d31b203ee2",
    "signature": "0xb57f77273e0cd2c7f3888a57348b0536501143d5b7e0d54cf889604cd123035724e195552326d0327a36764577cbee700c5502ecc290b2e4d46087f5fdbec05d1c",
    "signer": "0xd2d78f9b62b3956830b58248CcD3C59911Dd6E58",
    "userId": "846847743"
  }
}