{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "15667",
    "entityType": "User",
    "nonce": "0x9f735b94fe3cffc8ba0225cde11164627cfced95e927e25499022c8790cbd6d4",
    "signature": "0x349bcca45b9aaeb2c98e26df0eed16425c914333977c390f26a9bfedcb09a7db5cc6770964a0d8a6f2d926f0a9d7c2b47e962fe6b9c108bceda3d268af11762f1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}