{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "397787",
    "entityType": "User",
    "nonce": "0xf4e12eebb66397ff495827b6ebc1d75ffdf1785b5a482643f5eb16ae1ecc791a",
    "signature": "0x32da12448b5cb2d543447a7a2ec80ef02ddcee57ce3aa935385479e36ae9046e49b9bc85be5cfb17a0cf5636401c232c02db77bfee1e2f7588f420dc677e7fa31b",
    "signer": "0x3B15C1247a5CC34F846b88f0E04B262f39b05C1e",
    "userId": "563285188"
  }
}