{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136133",
    "entityType": "User",
    "nonce": "0x03a6a5ebe3e4f5cefa60b02f8e2450c9993823cfa699063901cb9241e69c553e",
    "signature": "0x965ef1d9c3c6f8311c8211310e91906cfb9e4d01757ede30def3dce3074a00af2d3bf6ef0fd46bab4c1ea72c366ab50f6e946b757ca6029a3ba069c7d8cef20d1b",
    "signer": "0x000fDf1C4AbF420F755A036b16C19D32d65fAF09",
    "userId": "612358594"
  }
}