{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486514977",
    "entityType": "User",
    "nonce": "0x89d5030effca13b22944ed6a503cf0b90d03c8d390e6b29dc1244edcacefe9f2",
    "signature": "0x6ff89e3a64517983477d654d2fb73289682afbfda0ac91538907a3b7253b91047a7ddcdf771c9dc1111f49ff39a52655adfd2e48d7a45bca02bbf4dfdd9e75461b",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}