{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2595",
    "entityType": "User",
    "nonce": "0x391e80e6d62e2e15e7b9f142cebf65c9d9fc934d631940a9eb8da6d5c3a8021d",
    "signature": "0xe6642c904e8479cccaf588cbcfbaf10879afaedc6d945cd221cb60fcfd25ca9e4a6865dd8dea894bfc99ae73eb1599bc6c31aaee22a4abb4ded2894fdb673c591b",
    "signer": "0xF116a8635024B33644DF0CC03eE326bAE67773b3",
    "userId": "569557247"
  }
}