{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "333899",
    "entityType": "User",
    "nonce": "0x6c8fb592ab001290f2928d866e1d913a46675274925c89181675f9c2a7cabd19",
    "signature": "0x94ee072f05d7793733d05382ee47db2759f246fcc988351988ce4da194fc155b67e1788b8b25737509fa65633f9381425b333a016e525fdb1eadcc9fa473cba41c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}