{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8802",
    "entityType": "User",
    "nonce": "0x1b069ed400da1436012a197f2d9159567444680b1d7a908af201a7646a3f5ffb",
    "signature": "0x6a6a45f2ff6ff1a2deaf62d8e22a7e93c5fc5bc6bd65b3551c2342da60f0f8563edf51730dd80cc824ce8cc1a8adf8a722e5b2659526751d7efdc0667066ae431b",
    "signer": "0xD9254B079e0e1571E56512C57188F2eec899054f",
    "userId": "854498636"
  }
}