{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x3308487f7fdf7792b2cf980f33e3508745d7671391539c0e1f0c82ecbeb3ad95",
    "signature": "0x57a4a83c2bd21fa170c2ec80ee74be25a4dce3b256320075879f64f6b76eb2ec7994a99af28f2b90f56910509e6edd222cf83d691b6270755caebff37a1fef8e1b",
    "signer": "0x9acF8CBE8f2B0d51e756C58D6d1f946A8757602F",
    "userId": "428941685"
  }
}