{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "135208834",
    "entityType": "User",
    "nonce": "0xdb4326ac9631ddb40d36de4d7fb4f0d5286fd3ac14c1bace579830f6d2139748",
    "signature": "0x89c46060ab99eccc5da18f1edce4b5491650f10c1e1b0861e5cf6d8c8558ba1a71a1b0bf600c0f4b22322c1540209ea5202b63ef1c7226f4657d6fdb7dd191841c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}