{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "755516",
    "entityType": "User",
    "nonce": "0x00fa303e0196b622e384506b4cb20a058f0c73623b8c4bfdc70179753b9bfa3b",
    "signature": "0x1cf6b02746df0204c3544a86e070ed245d45ae3231e43aad0e2896efecaebde700d72a678ea70f31a8cbe6a46739ad207147a78e3b2e869e5a09ef2a2d5093de1b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}