{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "52309",
    "entityType": "User",
    "nonce": "0x47e6ae9e618fc3c707bb691897bcdd6edcf648f008c953b3e196784c775dc39a",
    "signature": "0xe9ccfbefff34397acd13a29a0077aa5eac787bbcc3138f2ec623572684b24b072666dfadc23c0e6757abbe009c0ee83a800f710db5bdccbc321b3f6da119c44c1b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}