{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1c91537ab2a2430bde42467b60c07cbc895cff52af4060f17b3dc0f28f21ee3b",
    "signature": "0xfb6930aa48f03547748a728423ac745c5b47f497691f4e79bc839deb1b6f7cd91528645f068fbf893052f640b9d753ccc18cad3132b8cb684b7769dd6a9534101b",
    "signer": "0x84fAd6dBB06586c02880bA1C8d84C424116A5a71",
    "userId": "588160294"
  }
}