{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "87099",
    "entityType": "User",
    "nonce": "0x2bd13bd6ac74fe261722a2ae8c14267ff252b0d2c17854bfbfd880b84a27dfb8",
    "signature": "0x27c4d62a2591db22e066b651404b71bab14bd165a1c0c6d78920f136c530ae1b67dcb0f52f1db9944dc0dab99930f509b1e57eec87d486f51e9b7d8f0f087c8c1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}