{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "125033",
    "entityType": "User",
    "nonce": "0x4cb74b3c4a8d0a5348630b1f850fec045be23cc08e86a719986c573c489900ec",
    "signature": "0x633973c268427fb9af8997536517a7c00b9c5dae90d27e11786f04f8c2632b49753d438936f20ddd4f2b31866aa429ac24c2484f53a8701d8a74215975cfbfe31b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}