{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "217405",
    "entityType": "User",
    "nonce": "0xf430a47e544b9248f8eeadc01a6548e12de7b472de9d67ced8f46e77cc5dc526",
    "signature": "0x115d0f86175511772271bd17545b5d1329a2723a2d35511b91db937da9c4ee5c0f9f2fc6878fd6ce98e4c67852dbb344ff5910d57ec6627ff4e9f2f72dbced1e1b",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}