{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "696716320",
    "entityType": "User",
    "nonce": "0x8237af26c1c15388299d4cd82ee8fe86bfe901992ffa593f9996d1e8713e95cc",
    "signature": "0xd1260903374cfd2d908bf8c2bc3f84b9c78d1a6647fd7cafd3ea264f76087abb7da7c06c399720e62788de12b92f8d26c57e9ab7ece795254a897053a974738a1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}