{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xf0606c3463065d00e4d507d30f678759d19049d99e38839cc8525fac8b70084f",
    "signature": "0x8b222d5a5d6a526b9820d1a8b02f47e3f0805e3e06948ad4859585a4ac682ac1712890b74021ddd052bf03890e2f53b07c0d5d25cb13ac5129d4d25564701c5d1c",
    "signer": "0xB4a54F9B2a7959bD50C623E17c29991fa049790a",
    "userId": "545537105"
  }
}