{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "47154652",
    "entityType": "User",
    "nonce": "0xe4c08023fb02f88f2a3ef88fb70046b1ce52931f1678e253c8d863a1f206e867",
    "signature": "0x6fc7c47d805670b6e1c4fcd84f6c3a457e9b2524ca0f6a9ebe4ab219da9aea6e5613ec7ded3e403907a39676414a38558c17fea3fc013edad3fc33d434700caa1b",
    "signer": "0x03b70C3825d7b9e568C53C89a738061d855d0dec",
    "userId": "578849678"
  }
}