{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "296466",
    "entityType": "User",
    "nonce": "0xa3422f58191f198d8dcab2ce4600b85f03ffd65b6b08f693d496dc25f745f2d8",
    "signature": "0x697c7c51501b7c377d902eb9cd8f37787bdba3009b4ec0394c1f3f1e33f48ac365ea8b92143875fe3878c9c17821105ae2b8137cfcc99aaf886d6374c598ee151c",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}