{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "329521655",
    "entityType": "User",
    "nonce": "0xa36c714ed02f2451d3bfa2a5c21f966ab6b79ce66bd349080cd3d7e9f3affa8b",
    "signature": "0x1d804d34c8e7cb7d717fddbbd500ac8f5ae5fcb8ef84a3f26665433af9f6d62f63535fe25e561b6732af65d18bea17be2f307e0bd86a6b95c5d40b97627bb5e41c",
    "signer": "0xD6af0C8ACa4F65cbFa489185784cc401F1218666",
    "userId": "529296046"
  }
}