{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "342619",
    "entityType": "User",
    "nonce": "0x48794f62f2692389d3f3b4d037d3c9c376f71bf9f37d31821b4e78ed21209539",
    "signature": "0x8ed4f1c80c4337df7736ee7b090f265b8910ae8a74a4894161593a7e11346e3f306b5c62c41934e1efcd3d5f4c17c9c811a76aa34a412560ff25f999f71ffbb01b",
    "signer": "0x0a5148A3f132E6696c1Cd3FDA8465fC5fF17d3D2",
    "userId": "803288761"
  }
}