{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xde37b4ff4e0c9b82af4e9811f15cab8f254b7db2145525c9f29750f29a5cfce6",
    "signature": "0x6f7d2ba83be458a075e01e4d4afe48f6728d82d5eb71fd1784338ee64c8e3f80402f6374cc27f2a7c727fe722079d02760cb4e5a533e2f5ec396e38a1083949d1b",
    "signer": "0x6359ea06086264D44C0F7fD4e16a69d7F91220D5",
    "userId": "574515122"
  }
}