{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x012342258c5d672d7042bcf31612cb164a71e5a4282306a78c5afe1fe8d64604",
    "signature": "0xde30b7887de0a2fc16aa228eb93df09edf9d776b8b5f12cab84cf3d07ecc19870f945eadd88b11c5ed424c993118c8b58cfbf1e59aeeedd98fdca3fde92811a71c",
    "signer": "0x497339ee9496B1bBce657Ede5F87daf4dc12011a",
    "userId": "236582078"
  }
}