{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1685671",
    "entityType": "User",
    "nonce": "0xb758969810b22aadf6fbfc25c513b068803016b4c1b0290d7c28579e3e4d9d24",
    "signature": "0x2870749ea9560e04ca8d7f10d57b885f29301de54f243f031720cee18ce0ccc50a85160c311f5dad0c13cec905cb7a10e75c53fc76921de8ef08736d7bfa8bf91c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}