{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74705",
    "entityType": "User",
    "nonce": "0xff84494f884bdfb4a6589d86291fc38b2729e34e6d1037f6b487caa9af8932ce",
    "signature": "0x0ecd0ab1091f4da8b6e5e9fa6a5801add1cbe3d752220ce5bb56ed460b174a4572f401cbd7ef4a316e84b32065fec11dbec01a191c80571f13250356f751acec1b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}