{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "492362",
    "entityType": "User",
    "nonce": "0x3e4ca7e177577401c294fc633b66018891eca48262f3bd8619c1f9ea55137c4c",
    "signature": "0x6837b0b68a0ea88e0279f8ce30ea747edc9fd0a28cdf67326a9289cb6c47f2026aefe3d6460b57c0f791673c0ff5a9a3af6008d75d6a44b7fbf4c19af11e3c6f1b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}