{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "268168525",
    "entityType": "User",
    "nonce": "0xd0730093bc5efbeb2d08b8c53f95bae8862ea838d028e2b66c1346b83a2021db",
    "signature": "0xc97920588493dfd9bef878313df253da1868703743fe4714245c8eb4a8ae95f835b5eedfcfd12c75d9ec73a9e08ec4617a4fadc43721a01620083f8e7baf06b11b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}