{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5905",
    "entityType": "User",
    "nonce": "0xbafa59b4141eb4bede694621fb8ca03f21a2f5db70cc2af4a1b6a0172f01fc00",
    "signature": "0x953f5d17cfddb3fc967cca387e0da5bab8fa15d6d65be77acf881cb776948fb13289a20318a32b7c7d7315204de72a887e99ba1b746d3504b9c24befb699f3c61b",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}