{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "464332",
    "entityType": "User",
    "nonce": "0x61c2b66814cf63adda2c42cc1454e123835a295692445c4ce9debdd814b8c935",
    "signature": "0xc74b9c4941fdfe64630dacb71b8c03364a1a7eed05108454cc7f38a8b7b799f3140737b956dfdd2357c38c62826f4c5660c4dfd2ecbb81cad2b5e80e1d1bd62f1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}