{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x2031dd0ec246a1503620efcb3e68f26c640f08a203ae866f0b1d2be13bb430c8",
    "signature": "0x482fe3d9f8d8daef1bc843f92d25e3ab4ff4c60eaef1b1a1f673a5ad780b906f710172a5e462912237e01e231bbf52d6a28c97c3004c3912325acd3e9a33734a1c",
    "signer": "0x14E9E2DE68f02AA0cD2B7566Dd9B7A0993b2D124",
    "userId": "832018853"
  }
}