{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "465887291",
    "entityType": "User",
    "nonce": "0x3242e745907dfe03974768810ddf70f354a7ef12a5b020c385a07c364745e201",
    "signature": "0x771510f185a64953a37bab41fe42a1b6a5d9bce4f9b93b6923d60ffbdcf8217036cde59d0b6b82d81213c63bc2a9d3a725ad78cc40fc1e9155a60179e83ad0ca1c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}