{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "790883101",
    "entityType": "User",
    "nonce": "0x808880260d3caf5fe9c8f19389fd598e0b95ec6c2eaddb65d716b86a0642113c",
    "signature": "0x95b10b4f49987d9d6825ace431d0d874dc47166b75370c77912631644ed132d938ef5fc46c5ede195de40e6f08462dac3320b82815723d5582b172dcf0b92a681c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}