{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "63266",
    "entityType": "User",
    "nonce": "0x4beb9762a03b0abea5fbbb7fb3f2016d845adb15d13fbb4beb0e89aa06448153",
    "signature": "0xf556408a00d2664e2291f88edc11fd1b70c4f96362b84076aa4868b4d5d02f0d625bd6a318c957185c8f999563b9b666edae8815c71721631a6eff4d8eb83cde1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}