{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146074",
    "entityType": "User",
    "nonce": "0xc776518fe87b90719950e5ee80adb960b85b648f674882d3215f1bb8a926c352",
    "signature": "0xd168249a15151e1ddb5276d648c3e09530aeaa3b37329f7e14ef304c3bcbcc4a0f9c3a63d7c66c314f1654c8b823388e37fc2ba2b3f8d06c0184d6a02fcbcfcc1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}