{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x23457501f2a711c3995007d71e1c82408a9ac46a3617110d69feff38ced182d3",
    "signature": "0x89c57b62bcf65153abac9805c88ae7d2aa660865c50e741475a2a916e36bd7a8125d481d4df7a982d179fd575c35121dfb44555ac8c0a8fc98ed408fdc78471e1b",
    "signer": "0xBe9B6f5cb472cCcDCEFf1f823a3Ec32D93CcF9C1",
    "userId": "944117628"
  }
}