{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "168825",
    "entityType": "User",
    "nonce": "0x38330af5c3a0205b134860dcc9c79c0828d42ce3fb93fc3389093494f5ca8e2d",
    "signature": "0x3e6b9344cf13d6d65698f9160ecb0e3235e270a71f0c12fd641f406b6db8f8fb06953126d02d3f3cab91a2e00a6a56cff7809bfca67ecb98620284eedeb903ee1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}