{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "366196",
    "entityType": "User",
    "nonce": "0x85950665f564efdad610b8814650a8c6a6939586c5e4eac8543b2049d5a55dbc",
    "signature": "0x92d3040dca879519b565fb958bcaf7d4053e54837cf9447f9c40390476a072531d1af5263c37fb5413e85f84d6bb498db5e77f73dc645d1ceec8ef70ab594f581b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}