{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "77551267",
    "entityType": "User",
    "nonce": "0x1835e483bcf237b4289fd81d2825df7f65fa31301bda9ab114ca54fc07f8da87",
    "signature": "0x56b7efeac57bacc966a9f58a88058d250569fdd93bdf77b9c22602dddac0660a385a1847bc1fdf48ea3d75e81f7145973ce2604ec299ae59705ff2edce4026e81c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}