{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "786907661",
    "entityType": "User",
    "nonce": "0xd2c42d144ce21890f973b647741950c75749f6adc89f69dce8b3f16daade702c",
    "signature": "0x75633dc8386bd2222775f54cfcced3a8c18888e3d9275846205f400ca796647c4829240bd9ed6eb8000d9566266ff5e12e4e773df17060f04df6f506629b94b01b",
    "signer": "0xd708949D0521A856Ca6eB44B4112bAEE59741ADD",
    "userId": "490478463"
  }
}