{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "302385956",
    "entityType": "User",
    "nonce": "0xd4f17815b0c43155aa6527ff1d217d9b32fca0bb6583777dea399b6d9a6ea2b6",
    "signature": "0xbdaaedb73ca657a6ae43660a13d45bf729303ec1566409a1e3c5f9e37a0f827e2fb1dfce241918f08c94fba49a95d8c90d5424381e316340357775eb2ae5fddd1c",
    "signer": "0xC6f6979d7215C4611Cd7aDb30a42B2812294262c",
    "userId": "55290787"
  }
}