{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1455057",
    "entityType": "User",
    "nonce": "0x6737bd77618956f4fc61f0da9ac7c8e365bad826380924c45a9f05755757b890",
    "signature": "0x3fb87e8def6b58bd9b95bde8ca7794f1e54246b6c6743f7f39debe4577b24cb528eb8b42182e91751ce491c00c7ce7f060954add3f0981fb42d07d412a1b52aa1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}