{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x71d30a2ec888f3fc32dabc7c5e2b4471355e065974fbc3a0fd87965bd90a4968",
    "signature": "0x8ca265939145e9d16ef01f1a77fb2303fa88720cc233378c8309e73058652fa928156ae654d16b25f284b8aed16fe597878c3a4df7065de47aeb5bd72c327cc21c",
    "signer": "0x286A119910857B68BFcFDbB14E062fF142f483B3",
    "userId": "58517865"
  }
}