{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x751db04f1c6ccc8229fce56ea551624d3ea92237e96de453998e3912f0bb39cf",
    "signature": "0x700a740cb33e1d61b5ebd4648fddd472b35a45f9381a400372bf83cd3bd32240496cb81ead550a6b5187dff364a3ee79382a606cb36c01df3c94f42196179e451c",
    "signer": "0x9e170ccdBeCf0871259759c43e12DE99fcf47Fed",
    "userId": "898176077"
  }
}