{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x232e43b074f1205eacf59219138464d5a2bc87fa62da18c2e448ad8b775acc8f",
    "signature": "0xca21b5d2aa4c3e73ac7a6ff37b944005700a95b74e5a9892fc7b39c539778deb6def12d1d1df7b199b959b9680f11d26837d62d28e6a9917455d06c27f393ebb1b",
    "signer": "0xa4cCb02b3E767D486F37252F9c0F6e4B0E57e601",
    "userId": "70734"
  }
}