{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1480749",
    "entityType": "User",
    "nonce": "0xf2275ad9d8cab1e05d27577899bf626f413968cc036278af6514abce35797682",
    "signature": "0xe17ba1208999a75103efab64b8054c85926b481618e50ef4fcb1bf930c2d735d58acc458961280c3b76c9ee72bd3fb20d521a4fd0e3a92f98cf7a919675715811b",
    "signer": "0x6B239e9B75f27b519de7Bad3a26a0b7d30e32D3f",
    "userId": "311257477"
  }
}