{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "394900652",
    "entityType": "User",
    "nonce": "0xdf93c187d5f30db68f5d929e1e1d2f5f2f89ede3f2225528f3959c0b7fce88d5",
    "signature": "0x6cd68a4cd193dbe890991356b1d059ed2a53648f1acd39dd8cda01f70f596aa10ed2524ef0965ddff56f9e9052eaf2a6557f89edde8035f0de6664e927f3892f1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}