{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77551267",
    "entityType": "User",
    "nonce": "0x56273347635c396de4eaee8974c1f74344aa191c8959538f73cb68a8b9e23655",
    "signature": "0xecb9c11264c9be63030f44d501801f74a773529fa39e785beac11e40b56eedcd52c29b6895fafa1f14bf36a81fafa5c7e94c9acc55dae9fd5ca9330ba4d4df5a1c",
    "signer": "0x94d1769762bc3a1e7DCd3e8a31C89Ff199833Da6",
    "userId": "715573876"
  }
}