{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2046878",
    "entityType": "User",
    "nonce": "0x721c90fbadd74a3ff61ef0c877c230583dcfde499d96e4a1dd0feca4f88dffad",
    "signature": "0x12a5b38f3c2e98d2da7bb257b76fc9b504eed4d4169a5493231e4c6fe41a33ad67a6f6e64e8c090be964671d49ed64c46ca81fe25e8116662c05b0d4626cf96a1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}