{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "164540",
    "entityType": "User",
    "nonce": "0x1387b92874054ad4954a7838de3c74d944bb172d4500fc65607e245cb09a322c",
    "signature": "0x65ecc00904c92bd443da542ac4f0ed6e3861f4a4e09550075798bfbed574fd0b3f88da007b2fb55061d974d1f95560433070d87f4a3b749c85776cbe966e5fd51b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}