{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xacd82652ca2a873b0b7cd812fd899c12260a66b82ee958180f9f4796101fdc77",
    "signature": "0x9a04adeb657f0584ec1f33cf7aa93d7082ad6326d490f08aaa4fad149fb08b39345c955a9580dc1287056929589ac0ef964ddb1ba83b9e7a173cd99f34051e881c",
    "signer": "0xD3e2a2Aeb739263055A5ec4484257b4927578D03",
    "userId": "117667088"
  }
}