{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "984621213",
    "entityType": "User",
    "nonce": "0x66cac0785c4e5939f5a5f837a8be7351d2923e1b46db2bb50441f2fc52eaf79d",
    "signature": "0x2120936d9d829943596bd7c2593dd8bdbba9e0e4391a25005efaf67974f7096d0fca8fc667e86280a61ac897f989de690259df37ff2f605d27644805b615b1c51b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}