{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67976",
    "entityType": "User",
    "nonce": "0xd97fc530d20ce086da99f5b1b9119d157d788c1d1498b194fae1ea9bfcd8bb71",
    "signature": "0xd238a95981dd42dee051f7ac47c65e36ff1cba16d7d2ba2625be363e39f402c42820dbfbc5f367256e5d1b8cc7d29f80525b99604f6c2de403116acd236cd0721b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}