{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6529",
    "entityType": "User",
    "nonce": "0xe7d28dc0a02802ecc4144fd2836184df885c96734f1413249174c97cfa3821a9",
    "signature": "0x9d0b3f6d942f85fa807bf9afbf6e2996a537df1d1cfce7992ea9e187665b0fae23831689f1821fcff679b98f865a3c00ad0e35f9e0713d816c37b3b761d649691c",
    "signer": "0x4B8960b62360073E2472A74bfbd80138387fE211",
    "userId": "86339"
  }
}