{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "981716494",
    "entityType": "User",
    "nonce": "0xc1823930d2da916eb9cfed957461f8ef7c4aa276ae4ac0224ab298d9a7e006f8",
    "signature": "0x52cd39fc62f3bde898ebcef3211ef9d35256520e22e92979af3c712809f68b3f1e61dec626a90515dca35ddf1aaf9fedd81f71feabbbdf733397b01104ef9fdd1b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}