{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8366",
    "entityType": "User",
    "nonce": "0xacd733a159f0398f8688e4ce96d4dea1280b58426889325b683073f566a8294e",
    "signature": "0x05bc666b1146fa5fb975920065eebb619074466994859a8e6f78f896e3d8f36468030bb1f170748b2ef68dcd4e00c79a603776633d4979cfdaa411efcb2cfb8e1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}