{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "175425",
    "entityType": "User",
    "nonce": "0x59af1d896cdd15e7eb29820cf9054bc588b59844aed6f709cd52f4680d6c88fd",
    "signature": "0x8908fb96dfb474c6f3b903f45e8661822fc777da72a5465bf64bd12d4cb3eb4f60e4dedfe48970d5f2feb4b33878b52b8687868bace3ce8cde19f150758dacac1c",
    "signer": "0x6bbE8Ba8276834DECf4c0d3460707A86b8e263b4",
    "userId": "248785756"
  }
}