{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6d40101d9475290cfa6afcbb1b2d813393f44985111a2e49f1fcc2b8e3e6f415",
    "signature": "0xb6d75adadab90e024ba141fee7d196bf4f53cb16f0261d7b328652119badcd1e76a012f60ce2ce4031f63d49076911e0a1e01af3b69a64e7d4a478929d0eea9c1c",
    "signer": "0xE35EAfef9E4150aD7946990A1201Df9419F544D8",
    "userId": "142005772"
  }
}