{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x96ff5f3e76e9707a4765307f9c0c0cd5568406dd6d53dd8f0bc1fb2a42d0b175",
    "signature": "0x6e5623af077f60d87c8e0098fba2913e2a0c45a0277987f4362d08fc0dfbdb854d63bdf1d8027d0bae923e35380be1e2bd971d30d5789c69ae23ee7696da092c1b",
    "signer": "0xfa1f98f0530E55C2BEFA45f0F1B3A699b4559136",
    "userId": "149566028"
  }
}