{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "666092734",
    "entityType": "User",
    "nonce": "0xf95284457d6723d7014fba0d6ab8932c95e53db67fd3a7d1afa6cf178dd90152",
    "signature": "0x83b6fd7622117e74da036a710f617d1fe5cde1d5113fdb2186c602fa4bde9a6d1e52887a7f40ea9b05b7dbdf831bb3d42a69eb13f810d201af6e3564b10fa6341c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}