{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "638733607",
    "entityType": "User",
    "nonce": "0x98045ba087ddee3eb4f01b4f89a7f26c971e9b1f4db4c48a6af8ddfe99ab4731",
    "signature": "0xc54d5d1934cfbf4bea044926073ec812d3881f0eaecf1150420b448a4c629cf90302b1c857cfed50ead1eaf64e9468831d27f8bfc382ee2762a0730f66c9f1861c",
    "signer": "0x7bF90aDB0D4f329e1dA9BB5123768023eD007adf",
    "userId": "111728084"
  }
}