{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x9f2ea5b52f387726bca7d423dfe2a216dfce4f1f4ccde7a1fea35131850f04ae",
    "signature": "0x6c41700a27cd60d9cd459a112ddc42deba36edf12408d27840b5bb72f3df7b5109bd31a752d5a5883e1a6811e14029f012e5d22373d00e85f2d73f4abd49601d1c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}