{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58259",
    "entityType": "User",
    "nonce": "0x1c4642cbc0d56643c6d448f40d0fe8b08dea5f7512924ab6a8b5503a76bbcca7",
    "signature": "0xe69143cd4f506d5496926298bb22b04f184fd48b52c56329fe22cbc44be6a43f0d6cb1200bf37c5405402bf8e7cbc3fccb5887222f6f35f0538303987b59b57c1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}