{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x11d9394d02ddd8355fc5c78085d51b48a977c84a5e398e0550553a86a182b87e",
    "signature": "0xf792f24cf79347b94c12ffb3f443d041a5357afb95481c441a107e4a893f86a0585443ffed94ea7ce8dcae5ca4d4a801dadb62966bd0e79afd2d6f90173981b41b",
    "signer": "0x7eeEB69a7057638032B176106b42111548D364DD",
    "userId": "66074400"
  }
}