{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62557",
    "entityType": "User",
    "nonce": "0xc6290fcdc192f2a17d3a02f9bc5f65a003bd0e99505113c7b02864450b52f864",
    "signature": "0xe6a50d39b4cdb7fac2e8e78754509dc43386282d6a75266063dc3e518f541a5d7057dd92a1d3e93cb721e8287d573631d24b1b6e9bea6f7c74caa24e8c35e7cb1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}