{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "828368024",
    "entityType": "User",
    "nonce": "0xbabac8a59cc83aa5417fe27204e4715e5dcc1e5aa9115eb6e753e9e17a5274ad",
    "signature": "0x1ed31f40c8098e79004ba52c3d70b5fe85748a69e1c77470999b0eea177be6c14ef50e9a10763fb0a82a9b1fa17b4b1f0122c35eba120d080d448a6a50d43e661b",
    "signer": "0xD07A680d4F48bA7Cc076c23f40870AccBbad1987",
    "userId": "16411799"
  }
}