{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "711459379",
    "entityType": "User",
    "nonce": "0x98cdb9323f2d8c097378c8ec0fcead6e6486c3013e6f357f071c18b2f175cb8b",
    "signature": "0x4a2e7bd7d2213a1c3129561b7aea8ce7003bdf10f946dfb648667d040055945207762d33fef7dd068a98fdd208dc7dc3504637dd943caaec1dd24011d493dd411c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}