{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0a4c0d64db98b15bc6fa34352cb7a41cdee884cb65f72f82183d86b1cd664301",
    "signature": "0x9c99cb62728a23e35f01808f3f17b239d740dd428feffd1361fce0a05b0f374056481acd99015bde30ea24432f75bf488004a43f5aada917efdb79551e0d17221b",
    "signer": "0x94a5882022f9Ad0C624FcA0dc4FAc3e3A398f170",
    "userId": "672832523"
  }
}