{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "21285244",
    "entityType": "User",
    "nonce": "0x9cb2476d5c107ec83154955e91b8d3ce3b155ec2dea06d5d75e1fb37179d4d04",
    "signature": "0x78ce133d31903dcf8728c3e3882fa2952154ffae9d152b2ba9d2ff19700d733149c70049c8525313e526146da1203ccc7ccb6bad258bc1121648073e9e5f69e21b",
    "signer": "0xe13D8B9210331883733b08513E58F4C430d81801",
    "userId": "926085898"
  }
}