{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "203070",
    "entityType": "User",
    "nonce": "0xbc41ffba23482c051ad81ee5c2dd693d189a6b7dc66785278e59208689c0681c",
    "signature": "0x569c28ade59e4c1f35aa80f409245ca3cae4ff9773a9fe4722617c261f5ee2331c5ff0daca3595bcc007fc6f35ddb9b353fb36134bca5df76acf71ce0f2a10e81c",
    "signer": "0xF2c19977A72e7f63bBbD9063748E52c002b22f6b",
    "userId": "957488166"
  }
}