{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "954117045",
    "entityType": "User",
    "nonce": "0xbe5783fbb9ac16fa6bff800b239f0d090fbfc3c8fb3e6e7b529c998ed5ab0ff2",
    "signature": "0xe9d9d49eda284bfd89a5f2e93c7f84f49d81db014ce064c08ce5068c9644309a4fe3517d1605d304cffa275c2b9e1b62fcb72f86f7ce545e9de97078d4fa99841b",
    "signer": "0x1D0c500EC847246923045cB0a285242A93723f30",
    "userId": "302385956"
  }
}