{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "137566093",
    "entityType": "User",
    "nonce": "0x986ef30b3d679493ceebfdec02d5a7f20c195d95b110dca2177cf48eef0be0d0",
    "signature": "0x76cdaf2ddfd2aa3534683bf59305608212330a180927f67f26c5f032d399da9e4d65e7b8def6a67e8effe0ea69f4efcc0d4bec6577a257f6d8f5a9449dea918d1c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}