{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xb4ddf82757d698a9958d6eabe8dfef697208cefb6715aa8ef3a7c740bbcedb62",
    "signature": "0x552698e14bdece20d397482cac1988dc6d92469e7d668212ef94a67bed8511f7569771e7b40336b44a62ce8128c8c9745ed84377e819003cd97e520658d76de61b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}