{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "957873025",
    "entityType": "User",
    "nonce": "0x34f2fdd2b891b39c0bc2bc7e4229e43601511312a57876b69b0580d659968af3",
    "signature": "0x8d66a35f4a6c2d84f04f239966d9619ebc955079a74e48418ea81e21b64b6c566ccf4fb0aedb5ae77a1a8f7a8e315d44a0b1648bc0444c62b00c2eee85d976a91b",
    "signer": "0xF7F56DF4D8a2Ae2BF9Ca645DC684f84c37BbDaFe",
    "userId": "116272245"
  }
}