{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x2e5c8500054dc80b46ca3e3f4265c64948c0363769c5ef9fbcbf6ccd5184f524",
    "signature": "0xc4ff27125fa8cf48fe866778a43054f28c3e8fddebeecb601e150700e90d88614d673595734dc8c21c4fc40ef71f8f3ed2ddde06182bd69ea879ecda969035161b",
    "signer": "0x967A35Ecc3e57C43B13DD23C4Af7318374917dF2",
    "userId": "679040863"
  }
}