{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "119478",
    "entityType": "User",
    "nonce": "0x115da68c471c97aa52f83fd71a31fe4233a03b304830f1d04e5c1ed928b7f81d",
    "signature": "0xe27908ebed5cfde598c24e9e576eb8658addec0c13f898911c15abd823edc8cb7738f29303505e9b7a875203ef455333176d0c56604ad35a67657af7943d8f031c",
    "signer": "0x52F331C086a11941E738a6C86d9F127E934dDEB1",
    "userId": "281470566"
  }
}