{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x21cf26dbfa4814f75f58cccbf9a33dec83fec46a6fe112a984b7ea649c7b6721",
    "signature": "0x02b45e3d2533a2627195efc27da243535943414ad0fbcbd9bad03db778563d960c743af136a8befba50a597771738420c4bcfc10d0e60e6f28a4513e178008ed1c",
    "signer": "0xccf59c86d4eb0E2086aD416d97796fb5c3A6080f",
    "userId": "808982757"
  }
}