{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "318",
    "entityType": "User",
    "nonce": "0x5b76006c7f3ec9807e5c20d02bd2d372e2f8dd826d147fc72cc1c45d820f96e7",
    "signature": "0xd2d38a673dbf65a2f765f0e3d6eb07afabb6cd824771bb75edfdaf840e586e8e084175108f68c407b56e4b9443e3b9387d04580bc75ccc7c4acfaec3017cc5df1c",
    "signer": "0x2A874EF283DcD77b68C67C03F7F865168a5Aa801",
    "userId": "654207283"
  }
}