{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1385998271",
    "entityType": "Event",
    "nonce": "0x0f10b53a7163af4866d5af38329cc42cbef8ac8a91670f19d09b3bb95c0a1699",
    "signature": "0x46bf389e22210da9294bacfd2a1d9ade91388a8b50f59b547d46873602bf79db2d1f02986b5dc69a09390d250f46ee9a75d9d442df6ccafcb7b2622439697e391b",
    "signer": "0x46289040969771a1045fD6B5C9A4B6f1d9811125",
    "userId": "645396973"
  }
}