{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "446645802",
    "entityType": "User",
    "nonce": "0xeecebddac8452f9afa434f67f068752eb7811634807c09f8f425a432284212da",
    "signature": "0x364d3347777bf0363ac26016c5fb5ca06d423133d9688a47c58acd6e77ffc09e31049853bc30de04f39350f26e8ac62e485c7bd962964db9098ba4c727341ddb1c",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}