{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56604",
    "entityType": "User",
    "nonce": "0x9c81fed0a3bba07b6577d78b20a7b61349d8027b029e289c97186e02e0f1ddb9",
    "signature": "0xe0d0ec4ba12c4eb29e8cb697c21ff776383789ef873d1f08a0e290045b0903ef331e051b2a835272cad5b89c331a0f245c2aaca5c0ee4176675efec5b5e5eceb1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}