{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "911613164",
    "entityType": "User",
    "nonce": "0x10bdd1618bebe6228e8571960eb816a3b1d0d0a4fcb924945cd5a713b6733db9",
    "signature": "0xe6cf8f484bc01c4978bef859896a70eac9fffc96c68e026b15fa20f71db68b3542802a0d215c6c5379c04bdfdd937ffa650daa01ab30ac652616db6423e477791b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}