{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "485987672",
    "entityType": "User",
    "nonce": "0x6b805422fce34231baf746cd45eeb3490cc19f6f6b94d66a2ba8e9940de3e183",
    "signature": "0x78376f1d503e3f5d25fc7b6ba40c3ecb07f42390c319e54819c40153f7693375046fc3407bec714f49897c0856b586fe3bf3f9b88d9296d4c51e1dd5ec44a8761b",
    "signer": "0x7cb443E1D882339Ce2Db89944ef44929E8E2F578",
    "userId": "343301"
  }
}