{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29239",
    "entityType": "User",
    "nonce": "0xf0c9f4bd5d71c30ccf6969e6affacb5086f59afb97d264b1e9b0f324f9129a15",
    "signature": "0x32dca690feb3bad63b2789172d186a414bb267a409b1fd44eaf80500ccbc95f8349f94a1d34b36da04212b76ccee6169d4afc7ebbf33f51007a1f1130c85c0a91b",
    "signer": "0x40E8E224E8F8a9f835e4dc8851Da72DCEd75986F",
    "userId": "504092010"
  }
}