{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "363864",
    "entityType": "User",
    "nonce": "0xf5fa0e2cb7fef75766afb8806e4f7d3b396be61c15032f9f413d79a97b0d7356",
    "signature": "0x25f3d3f510102f67aa94add33bf403247742f0d9e2cc4660fac257b718cc78163f185311d2deef0e493fe851da8cb24aab4e9e49e0f3ed637f8aef54a29a7ba61c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}