{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "189441",
    "entityType": "User",
    "nonce": "0x6d4c77a4ffb9842a43c54534c575eb2c1a825addaca3298e92cea6bafa1afe92",
    "signature": "0xd6de9118ec98839caa0818898447ff37b7d8fcd34bfa78f9abc0452b07f830c81f54aa885f33d92b1d1b50b215b1f1cebef7e16fa67a70585f627c1cd1e2112c1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}