{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "838777725",
    "entityType": "User",
    "nonce": "0x112031f550448f63d136ff39ba23a5e67a7a2f87d195ead5c9796b6f1a0a81c2",
    "signature": "0x6e0df97652bc2fbd09ad7b3b84e28190c1ce2938991b038475aa5200633fcae80222a0cea0c290847f9e6c2a4aebb41512ca0a697c399f34cefde57f0b7c93ae1c",
    "signer": "0x6FFe1439635739f39c45fcfBB06829c5E9D8e5aC",
    "userId": "792741418"
  }
}