{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1286665",
    "entityType": "User",
    "nonce": "0xece927b0650e2284e23121afdab29280d4f790bb7c3cd214cdd29d5e1a8e1602",
    "signature": "0xc01838905fa9789cf846625fd4539f11c2f12dab283d70f6b628f54e8ecbcc161ef3d189982162af708bb61f3e472e83ca8a5db9e94252948d149af5e3ba18b41c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}