{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "733420862",
    "entityType": "User",
    "nonce": "0x6f5d71f0a83a3c1cd741f52100af60ba0da208a1a75c8a709638354dd985be3a",
    "signature": "0x17b4ff372da3f0a1fa790799ba8c3d1082550360d36cb990562d8b52f13441d86304eda8ab85b1399cd9b7aeaf7e6005899e6d0a85aaba442ca0c0ff7a9e8c0a1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}