{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "573019",
    "entityType": "User",
    "nonce": "0xe4eeba9b5fe2bfde2945bbd795aea2f868b2bbc9156da60d36666794af196f46",
    "signature": "0x28747d1db8ecb2de33edf9e45c851bdffd2c3e87624e9889a0837b946a131e4e7859c3fbf03da53c6c8c7efaf7720dead7289694dd4ea7317cabb3c1eeb880901b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}