{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "107436",
    "entityType": "User",
    "nonce": "0x217fe6ae68020456ac3c4ef9ef0b0fe787da3fd41d01845d564860f623c8fcfc",
    "signature": "0x273ca45f56fd60eeb28e452e558894f6d7f95fb6c265de7133503ebc2b897b0d142b395f15e41318a64ac9b3c67c31d0c5376319333f8c813bc84a1cd704bac11c",
    "signer": "0x90FD14E5f569756111EE3AECbcE1AAb95c2A01da",
    "userId": "86867162"
  }
}