{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "64699",
    "entityType": "User",
    "nonce": "0x5f9b271116e6af23651e17cf82bc0df10ef93038612188454c05b57333b8ab0d",
    "signature": "0xeda56b4be0da24c0d88ca3e5755330295a6c10314e81c246431df21949ec47342300f24ee0629d04557094577cca26d8adafd7221446e1b32a674143a22846221c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}