{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "585171388",
    "entityType": "User",
    "nonce": "0xeb114529702c504cb27183716bfdc494e2592cd0f263ba7d8042b1692d049c4d",
    "signature": "0x8530a5396bc9c5ef581fb89afae6b4da5754b315b6bb93efe003866136d0fb051d7c28bd67b5c1040e7f6caa0c4a1f1a085611931a6ece7f64c751aa8f746ada1c",
    "signer": "0x9B32778f2EDac6d5b8BfccEBF5594cC72d68cB57",
    "userId": "847013225"
  }
}