{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "463068",
    "entityType": "User",
    "nonce": "0xbc233ec48286a826d93f8ce2101792c1a708c3ef7782ce83248a67aaba88df5a",
    "signature": "0xb4678f7da7b1e1235bce1fb61af1adcbd6779674f6701db9a92d5493e31c7fc9175c40d69843ed14227f270515711d67e45b853f947368052f81e924f95d130c1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}