{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1422108",
    "entityType": "User",
    "nonce": "0x635f63e542a26cbde29d2f07c9314072658ded380ca60664f80e98789f31d8e7",
    "signature": "0x07746092a1d0de1ccda47f98d90ebe065d6017bc828bbf134a220cf4c220676717c114889f504d82f9df33e7cb23d8bbc6533490029f720e08c461c88658d2751b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}