{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "22065",
    "entityType": "User",
    "nonce": "0x1a412af711fa4371600de82aa4bc9927da46a50e8c28c6ac78ae0701c689a1be",
    "signature": "0x276423a5918d157de31c58477f105b4d70f5cea44f6c24269a6c57b882fcaf4619d6bb37bc42f0969dba05bfcbe607a3f41d0239ffdda0a0d205b7067a7ca3631c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}