{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "297394",
    "entityType": "User",
    "nonce": "0xa57598327d4547b778de6d6ef5bcf8798268518fe17e416b011c2bc4cfd2fa3e",
    "signature": "0x01ca4599da61f910eab33b24aefe5184ff527c971eba37b5df5db9b7b98d3b42338b4b9ace437ed66b6a9d916ddd696c03557ec2709baace5b220a2af49dd8de1b",
    "signer": "0x0387130B850ded16cD99dd16ca2060EC33FAc85A",
    "userId": "340102"
  }
}