{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827803944",
    "entityType": "User",
    "nonce": "0x6f9fb5432206129832f52d5501148fd60c30ae445805164f21c23be07e18d47c",
    "signature": "0xa673648246b7fd88404758b3feb0fee82c530fa835c7fcb57a69cc52e0806a8319174ab28127bbb27f6073d70526eb740e528daa26322dd9a8e39aac0f45bc5f1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}