{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38769",
    "entityType": "User",
    "nonce": "0x814d1256a103ffc8691c02c9c5acc473c1b62131d412f71112e431b2d4895468",
    "signature": "0xe732e4ddedfe1ad48994fd7547a6351df6f80d70e0fcf2cb8a408b9dab080d8a3550e78964e2c3d15e3e81ed7919ba7a50bc0866e363b31dea956954b3453a6d1b",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}