{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x2c3d5f4fba3c91dd0feba43f44c806e1de67ea6474cc8c021f5986156b688f6e",
    "signature": "0x8b9c6e9de98ad985168e641b94760a1a563295c04b695d3ff40f87513babd57275da714ffa787f759d6058b7f3cbce647255885975a37e099c2094720f2f80611b",
    "signer": "0x61759FD9d69b6C29FE84fc39eaB6C50Cf7dCd8FC",
    "userId": "366953361"
  }
}