{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "14",
    "entityType": "User",
    "nonce": "0xf36a7159f4c12d6aa431240c5b3785dc2f446e8f0945348dbe004ea33ad186d5",
    "signature": "0x1f7275d6bdd650304b2c33150275287dfad11ff4efadae844a090448ee91f5c564886fd9227b2a4e07f9d4cb1af1ac5b959014db84614777d81f746ce108df611c",
    "signer": "0x9837C03EAdfA74365Cdf4e01e6840D356104bFab",
    "userId": "911622928"
  }
}