{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "847622374",
    "entityType": "User",
    "nonce": "0x94d017da7c531dfcb87dcb799dcb41671373b13f8ea539d11fbb951ce0b59cea",
    "signature": "0xc75c0d18cb7af063f9f97bd039d1e96d0364b3eaec12df4d6e727531b668ba7758b5609c0ca584e1b3a14c738856613eefac0d6017eca6d6cea155864c9a47831b",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}