{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "354640",
    "entityType": "User",
    "nonce": "0x85c27592339c2f1b57d217a32582adb9e61dc0f1541a603cea10d4c9057fdd3e",
    "signature": "0xcef5c7267cbdf5350a7ece4e399e9e2848d22d7bc39cc0969f84b8b78f0428281b68dcb1e6df338aa6114b6ca478f2b124cf4d8520fd77383ed8047fccd6387f1c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}