{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8363",
    "entityType": "User",
    "nonce": "0x9c2ddde307922d3609bed648f43be36d242cfe499ac914ce2d9f2dfbb3ec0608",
    "signature": "0x922284d68f9f3f639b3f323b3fa27f6dd11a12f5982a666621ece9c6dbd34844690f6a250b6129693261faa58c580150a16df415dbb710af8c57da0d5cfe636c1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}