{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "1441",
    "entityType": "User",
    "nonce": "0xe3a2c0a648a8b7b36c56ef55f2413fd57d998e3d3a9663e59218358a56f5c153",
    "signature": "0x7a6cf18fca01d6c03ae1d2f9777ac4b11efb15cb96534dcd76d3c2dd0c3509a1071802237d55aa4987fc3c1c7efb7c1bfadc03edafecc2179d76c3aaf564583f1b",
    "signer": "0x3Ab8fF95DbFC0deFd15d4d27949f03d9fDd90404",
    "userId": "136466"
  }
}