{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x021e86f00b04dc39d1ca4135dd625ff4aafca74af0218d7acd0b165022f55774",
    "signature": "0x5c3e40fe30bab314e4de97e031e9895fc3b20ede2c0d16659339123d9770200f0d1f2c20bc81baf48b36f5b8694fad619c9b192bfcd0e25dae5f1482632d43001b",
    "signer": "0x136A4e19270387bc21d7e58a9592D46864B0Ad57",
    "userId": "956002390"
  }
}