{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa7ba9f5e9255ad96c69cc00f1190033922a05cfc1c4d5e59a8d6aa2801ec7799",
    "signature": "0xaa54ed4b3c9ce9f52bbbe2d285c00d8c10bb01c0c08fe610bfe9fdf021f8973931b04e8cdceecb5539f355f0fc825c9f43e24e2f2083b4877921092bf9ae8f5d1b",
    "signer": "0x9e70f16e2cf53214EF1E8eDc0397d06f589F7d58",
    "userId": "300631984"
  }
}