{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "979252490",
    "entityType": "User",
    "nonce": "0xb2eec8d95c9280ded511c1cb5a64e4261752cd1c7fa1cf7b386c43071899110f",
    "signature": "0x8fed83a5ef1473dc532054f0eeaa4a01529aabed85eb8934002704f9a349d039306f281306e92f07bb48d510111ddce14e54211e067ed6a0ee82659d4831c72d1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}