{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "138623",
    "entityType": "User",
    "nonce": "0xbe76ed89312185a531ba93023844eec5a02307123ed76257547916a979039c00",
    "signature": "0x832e4db7370d4f9c986b9aa29eb7ccae6097850b5c9b1816ee20d40317c333633cc0b51eb557330e758dc6b97c4de0decfec93e05b5136c6ccad933d98a2af9f1b",
    "signer": "0x3Ab8fF95DbFC0deFd15d4d27949f03d9fDd90404",
    "userId": "136466"
  }
}