{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61194",
    "entityType": "User",
    "nonce": "0xef3e68ec7750f0cb1c9b311735052d080a52e0d1ac7c68631e2d3ae41bcaf996",
    "signature": "0xfa3b8b488116c038c42109286ed0656cad743e59a5dee0269e3057d2d71caf806990995c862f5b2099e0b3279376d93cfabc963710b5b06bc4402c18b91b5c731c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}