{
  "manageEntity": {
    "action": "Update",
    "entityId": "998482186",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x70aa5658dc0cd8ae3888dd286b64a3e70802901aeca1f09b811dd44332152efa",
    "signature": "0x02f3ac4d4183ab09eef6ced72d8338c4458299b1b47e08ace1d375d9f644d4b342b1829ab0771c216ad47b4c566a2cc951d746e5d0fc75fad0acbb1f90001cde1c",
    "signer": "0x7eF743e051bA3fCD83e2139d39e43EEa73D8aCB0",
    "userId": "998482186"
  }
}