{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x65c7655aee8e640b5f145337503eb4ff21ad719c5cfb3836014bb557485e8e4a",
    "signature": "0x7f9ed69a17fbac5149321396a2215893270b8a5b3ebaa296aa2cc445edd5b42d65d567fa2720d0eb39ff18d2f056d75866fb951dd632362ec36c79332e0bc70a1b",
    "signer": "0xA27B00F57fC7B3E81c4d7C4919aCec97E1fCf667",
    "userId": "329513359"
  }
}