{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x20f80c591cab0546b5b3df86b07d5604d009baf46a82ae3129e26c4845cb0fa7",
    "signature": "0x65506cb20d99f16bf83544f617d134bbaa447d37d9661dfcab6de2d1b302cb8051ca7c739e3d3ecfb0a398411601f89d54d2107a6160612be6accfccbf10ada01b",
    "signer": "0xDF9352d1988F7140ad4167745251E23Fdb425be4",
    "userId": "323789212"
  }
}