{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "905702107",
    "entityType": "User",
    "nonce": "0xfb83b2433ad9072caaf23be9fdfcaa5f540845d4c62bd1c3111fb7baf1b2c504",
    "signature": "0xaea9f33301e1657edc3ed376a2c3338131851c8cedffa7474856e8976676bb92494913d9c251ca68a9b3fcc5fbbb819c41a996bebdc8c6537e58df4a6778ad041c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}