{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0xd48c5442d136e60b9dee2485e34755a95122803ba22ea279622edecac0649bc5",
    "signature": "0xf146baafbe4ff602b753c77c6b010c8c17ea513d14e5ba5138187642183c2d9f6414c02baff92934f6d67f1cca3a9c0d9501b957dadb0319b5b0499a3f1232371c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}