{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0xd9155ea1d11ab4bb463fc6c2fffd865da9e51e87c1c9ccbc9a901c6dc3f81e20",
    "signature": "0x06c99a4794dcfda984e26b2133af680a29e65fb1bf616b67c16839c523d9b4ab21d9fa1faed72eec655e9edc1261fc281ada6924d7d3862c6a5a6e25b0e47bf61b",
    "signer": "0x88ad765B72fb060B3adbae1FA44A6C64722E1781",
    "userId": "236177"
  }
}