{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "173067127",
    "entityType": "User",
    "nonce": "0x39a76b4a98c15ecc3c70b79b8dc12bf979c864504a2d2cd973b7a2c89023e8a0",
    "signature": "0x9c1ca9bd35033402c149b1455bc3f5056e513fc7d3d41010d9e21ff2c8ee25e515325738773f4540c0c3b285bb1fc5b1461341f0f85a8adcd30c105bb21e4d931b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}