{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "841756759",
    "entityType": "User",
    "nonce": "0x5407f04ddb00cef2da80282a3e721b0f863de70b05da79b8b012c20076f1adcd",
    "signature": "0x5218f4bc021877d0ed4b43dcac26bf128dc6e44e33dd840d906747597b7053ad5c359abf3e61c83ed1466f4b710281eee55cd8e16c337b3968091f01c5d39df81c",
    "signer": "0x41169dA28a7d95b19615713245D5f46546c83008",
    "userId": "931487252"
  }
}