{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x442997d7e1580f2d2f10a622ba91bc15804852e7320bd6e95ca61a5b82d5767d",
    "signature": "0x8151a02784f40e420be3ed9de4a389aab0355352ca06ab3106b5ae39c2adcd1d45ced13b99d1c7d3d9b05c01370f5b98245841667a2e46ead380f412c318ee2c1b",
    "signer": "0x8f3dD60187D1293D1106436e79dE8018Cd72878B",
    "userId": "712753817"
  }
}