{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xec5b55e59b0baddd91c47a0dec46a4c5cb4d57df6d61e0e0769e4e50125aceb7",
    "signature": "0x3b0a29767cce7977b54ae2fda8cdac3cf1b551120e64cd8dd5c197d7248338064c891243e3180b45551981d429b933a9e7da0d98a7010b104954c007265c82831c",
    "signer": "0x2B0cf168E4e72eEA3F1467380BB20F7C5Da48E84",
    "userId": "433023429"
  }
}