{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe047a763a6731fb1cf370901e72de937b423689e3e3d73302a5712c12163c1a5",
    "signature": "0x444942d2c510946bac0f1f8d87b1d6efdb4b58900bfac3ba0d265e12bc31f1b30446710919e147056e93fae1921139e9cf8830b715b21c633b043309f36e5e8e1b",
    "signer": "0x5Bb892563c99309Bc7dA12601000720C867c77bD",
    "userId": "206689874"
  }
}