{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd82410bb713b7f32e052151ed47dcded36c776c6f115b6ebc67d9d60a1d13ab2",
    "signature": "0xdb1899fa6a32b7b57f1bbda2a485c436f23ae7843762062b886a5b78994e96315969885524d63798de43888e7e9d1bbbe3efe4941cd96b0fb587b52045d39dad1b",
    "signer": "0x92924f04C038D4Dd45200e1C7937F02dd780b547",
    "userId": "659430899"
  }
}