{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "871929900",
    "entityType": "User",
    "nonce": "0x179948cf3b9a0c9818b13e1b455ac44a51090a24dd2e38ddf6d4c73cc2b46ac5",
    "signature": "0xce9a8d138bb5645356ab4f077c225327ff9f36d29bb4b2ab9c92bcfc1016daa172de8d3d57472017b1d3fbd5fe9247db88be240cd5cf5b33e5e267a5e42639141c",
    "signer": "0xaC5cce7598F0Eb17aaE90fc5c8221B0312d77aFb",
    "userId": "329521655"
  }
}