{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "163171",
    "entityType": "User",
    "nonce": "0x3e19e876788920e51fcdfcdfb860da513d4a20705de09920a38a242e98543ccf",
    "signature": "0xd819b96fac7cbf8215a58a1c26524617b1f64fa9f1f62a51f7ced7701090def91e3df3eabc9aa7cb126a37bd20a5d88b4486a6ff16c4dbed377c3a1e74e427df1c",
    "signer": "0x50Fa68E2236737fa15f471F72A9AD1Ea99870D8c",
    "userId": "336906"
  }
}