{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "124982383",
    "entityType": "User",
    "nonce": "0x62cd27d9a5af5411bfcf2e2c4c6eb4fc65ca90054b32b5a181ba0ab8ba74b41a",
    "signature": "0xb9f7776426e9c66297f68b454df09091d7f8436a9505c02ee163347b2f24f2055edd62a6893a8152b0f95e3cc0cbd1d28be4a052909e463ab1ccba3620c7dcdd1c",
    "signer": "0xFbDa6d28A15204c019C551b688938F40E22F7905",
    "userId": "300223059"
  }
}