{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49485",
    "entityType": "User",
    "nonce": "0xca1fbb2526716fd0d67a11fefd752a932685f617ca8b20701d95dbf5cb0dc962",
    "signature": "0xcacf89ee5c38646a783866315e20aed6b134f3bfb5047f7be3814d754c91bdfa44ea3c7c67ec10b5b30102edef71bbb8a5ca86a33ee9ed8666c5b6f7a2fd959e1c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}