{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "557210595",
    "entityType": "User",
    "nonce": "0xcd12f14fd0ccdc75fe6476e0e51d2e70806417353f70c16049d500bd23709dc0",
    "signature": "0x1f7317ffe33a66566933da4322c3e00b37dadcb8d083e910f816d9212caaf85a587379b73f32b40421673429636fc60a9c0272e01883338b7987f6c31daf8d1d1b",
    "signer": "0x283a6Fd0bE176865B404dfc3B2805D3a2701d62e",
    "userId": "484365174"
  }
}