{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "987917950",
    "entityType": "User",
    "nonce": "0x2379facf1fe2abbf45c400187be56cd33c357ebcd0c8885365b07b30a2d8ac96",
    "signature": "0xb1f69afa0ba4181ff1e4596e4bf75ddb5264dc128a40a8a4892e46bc9c6f4537747d376e7eff8c7c5b62ff9871bc00f4e20b9b402a561f5a21b3ffadc071d83a1b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}