{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "161353174",
    "entityType": "User",
    "nonce": "0x2dab3d91aefd151adfe641ccd7602842b303a650acb7f6ed36aa36b4ac419c91",
    "signature": "0x6932ec807667b660332d6a5b3be64213534c0b7fd93e7153778a1563db6b93a2265350875423b73b5f4e728ef7cf1d224971a66a37d21209cfc4dc5203e8cb1f1c",
    "signer": "0x2B55314d733BC60522711F9B9914f271d97aDD6B",
    "userId": "224685891"
  }
}