{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0x7e818b6467420649510e5773fcc3e38d21939bd72c4e084a6fb3c34a2ee08b8d",
    "signature": "0xa536deec40efeffb2af87f5c9caa4ea678ab8c5b77e7923af91f8e57415d037237a98afce58dca7c2089d4d3d71fe16829fc62c81120f65836bdb47042acc0181c",
    "signer": "0x934E45BE36e38037811AEb6F8eD448164c45408B",
    "userId": "582278090"
  }
}