{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "966718637",
    "entityType": "User",
    "nonce": "0x5e6170a2f2c3f6559ce16fefc1fa7cadcda2d69c8a35fdb68db55ba4cee7f18f",
    "signature": "0x5f9b94209bebbe56e10b01f9569b72710d1a15781857361287d0b4845f2aca0e16fe120f34d7953cfad3d6e9cf450b817f9e9956bf08a7678aef1cd7cd26d8a51b",
    "signer": "0x4423Cdb579D12e175a3085B5F6d472D70968F1d0",
    "userId": "893719946"
  }
}