{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x808feb6add9d18d5908eb5ca2ada32e9ab07707dfb230b2150d064f318ae273f",
    "signature": "0xbed0ae8df1684220924dc196f5d9a6098d309e321a1aa3e06ee648d325138e3e331d01ed8adc4774a34c81f534c3a7d6a60763b1e89e2bf34cc40c3db59f63151b",
    "signer": "0xF4DF2D2931c55efC8d4A95Ff5b05579fC73e6565",
    "userId": "390509028"
  }
}