{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x17e2199de2d0a963e853e73ea84338b903367341206c072bae76c60574b42766",
    "signature": "0x06b45d70e333f995d1e73327d5fdc737c1067ed91005de2007ad02391f000db72b189d5bdc31a6325627d63d96ee89457e9557e25bca764dc0112f25ae6f437e1b",
    "signer": "0x81f60DEAd0cdA833Ad17fe7Ddd37b36E62630205",
    "userId": "132087202"
  }
}