{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61841583",
    "entityType": "User",
    "nonce": "0x07ec779f53319709822adbd56ff0137a173b78956f5f27b2a9f7dae8ae3cffcf",
    "signature": "0xc09373cbfaf25338fb142f47d234f9b6a2a255ca98b97073a108635da75c61137d2b4e538f0a84ec1bd768e66cc0db0a052333d07ab616b6b179a14d39d5128d1b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}