{
  "manageEntity": {
    "action": "Update",
    "entityId": "810725498",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x8653c1680e1aa2a65447819410af3f609008b66f06c329d61bef06aff3ad81b6",
    "signature": "0xe1510647a20e38ae3daf187fc4b633d6ee535d95bf9729faf848bb1ed624eb0566bea99896fbbb4c9d87614fc7a82a85bbb121d03fdc8095f3e3904eb83cee1f1c",
    "signer": "0xeaAD55Bb8d3e66AB4a3118b0A4C3b0d0A50f3559",
    "userId": "810725498"
  }
}