{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x9f95519c5b9c0c97c140d99a701557fc21ccfedf9cc31d6f0c67b7330514904d",
    "signature": "0x908d3ca4d1b6812c20a5a1a897b3fe9982cc822378562a6276aa205e40c352b722e48ae4c48ecea4a785d4a73f31cef7facd75d06f7260f909f36ce9586bfb3e1b",
    "signer": "0xABd0F4c7AE6DB4a2906e3C7286C55aA9C4933854",
    "userId": "11766687"
  }
}