{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "152605886",
    "entityType": "User",
    "nonce": "0xebc8b19f2e15447120cc872d9e1e15fa3e658c053e18a3c86eabdb1347706997",
    "signature": "0x6bb23db32f969f348525babe4e8e59e2ebd0cc3646b815470b2ad2bb053b3ce0367ddcc3480f8f66ddb6968a0175fa9859615c1a482cc3eeadb25dcef69e950d1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}