{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "754884",
    "entityType": "User",
    "nonce": "0x451644c06861030e07b93b8cb74b0a1c1097486c46fe2c5c1089837d9e23a2a6",
    "signature": "0x81637e1d23e98f6b880dc3802c6a9b33d5cd46278f6162929bb41398fc29848d130cb1f7b1f8bd296ad9536e55cd2faafe5da29d31f2a647bd94b9a833377a101b",
    "signer": "0x95B378bAaBcca47f15C460388CAEadc2772f66eb",
    "userId": "140"
  }
}