{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "527061174",
    "entityType": "User",
    "nonce": "0x4228f8e3de83deb6d2f2415dd0a1aa38d7c577bebf23e0eadfb72d5597daae01",
    "signature": "0x5285921cbae9cf84dcd94773c580476be19fd531be408b0f3e4881293aa51cbf6a83cc0cf2f0e715ee2e9acf6b3032d0239b4b6b548a47d7f2be2bfda27d06881b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}