{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xff23657700c3dca20d6ca6f793019b8b2e703a3777c643866500215cdcee6820",
    "signature": "0xd08e050023de2c3d3a3f1df74fe0ec7961f85fef49c22977a21ef2ff77a22193536028963e9223c4cc40213f37f48c0db9230a4f51bfedb040aa3e44513200681c",
    "signer": "0xb077b8D44B18982927EA77e71A59EF1317726d61",
    "userId": "796506769"
  }
}