{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "242",
    "entityType": "User",
    "nonce": "0x1a8148a5e63bad808d3e35da5acbaf683c84cdb4a5683a07a650e3aded37e88b",
    "signature": "0x54a6a66b63bf544ec9a785ff8558f3dbb03003376faacebb51ed82007408c5b3451204214efb88bdabbdf91b1c5c96f4f3ac730f26d8ec2f3260ab96d682154b1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}