{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2322",
    "entityType": "User",
    "nonce": "0xca6e09931a185d70c5426f62b380cd9162ca7e845c1568a2b6c5659f59c2288b",
    "signature": "0x88dd884b168378fafa769326baf3bc994444ebdb257a3434c961d12cdea6eb107c4e403c1131622a9044df92cf6516e5a5b923c3b734ed354a3220e5c13166061c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}