{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "567194",
    "entityType": "User",
    "nonce": "0xd51829c162ed6a44590644f9b004f561fe5e0af87ca60a83f7d3e1e250c1d0b8",
    "signature": "0x0c9819f3aae84d2807351aedead2e338be2eca9f808a99e718a3b4c53690a1ce582371741f4c03008feddfe11caa2602cba0f75c5e7a638b915e4568a31e4e621b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}