{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "147596",
    "entityType": "User",
    "nonce": "0x247bd1eeb7db639d49ed4a34e4147fa3d4a66a16b8b054b97f00ff8a3bc5bb69",
    "signature": "0x5914ab3d3da6b866cfbd8da1c86638a2b8776ef0a81135c37ec417a50a847f2459b10aad50360d9e43ec3db2a85ec403349439bd05603c42bfdbc7acc8b3dbfa1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}