{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "104301",
    "entityType": "User",
    "nonce": "0x92341e2a43aed2fed39567fa9961ffb49e2b25eac18819f002914025803aef45",
    "signature": "0x4aaff80b929a2fa152df378adace1d797fe4f4d5e0580aeff52640e3b032eeb959ed5d84ab1c4af3fd28a6ae63184bf2b8f5e9a134147f7a59817b073b9f6f4f1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}