{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "389177",
    "entityType": "User",
    "nonce": "0xc984e164c9ac4b1f093f35078445d4567cda3af5d5f3f4c4360b2fd1a2fce481",
    "signature": "0x8852342c055ab0af10e65e4f6b03a23cd0e997ff86f9a78c1bf5ca3756b2b6463b0482e2f60320e07cb1464d1b6d54e1dbd986ee7b087116f082c7896a8faf3e1b",
    "signer": "0x52F331C086a11941E738a6C86d9F127E934dDEB1",
    "userId": "281470566"
  }
}