{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "113333",
    "entityType": "User",
    "nonce": "0x5febf1b24c60fe46fe98b08e769684cb406146cfbfe5882cf69b8da3a26d83f0",
    "signature": "0x3a3278229424019fd15dba1e4e1bc8875a1603743b6fe628915f06deccc35d336dbea1537d5a43b0be3a2a85425ede26fd859f50993ba388888d716e126a661c1b",
    "signer": "0xC75a276D0a36850045510B0483E737bCDd1F5E9b",
    "userId": "588125677"
  }
}