{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57863",
    "entityType": "User",
    "nonce": "0xb6bc1b5a31d51710b9ac30453b1202f11ab61ee031dfa2cd757872335ef2dbec",
    "signature": "0x2047e6cb8e3d3c964c1fc0c74eaa1dc3702ee806e5f90639986fd00dd14f1cf251d88f39cf574721e3b4f175fa51951e798c9617fcaf1faeb1ddb99560b24d8a1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}