{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0xfcbc179716aa4a35b9fa1bfbc1c0c32c0480303e44c8e33b7c73762a8888c94a",
    "signature": "0x507b704cc6dcd81f5f65da744285f2ab06bda2c5a76080d05ed3d39ac961ce6b421aa441b070696ac2a799053d13519239890a2085d8435acadec0bdf6e7376d1b",
    "signer": "0xb3e579316b5c2BD570788161B30688eDa11B16bC",
    "userId": "729752759"
  }
}