{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "806143",
    "entityType": "User",
    "nonce": "0x0628418f53a350d53688ebe394b2943426017a4fcd2d88ba58b89b5c7a55e7ce",
    "signature": "0x54fa59f206c0d344078377680b4a873b915af18cf7b7c5469b4643b6ead420737398367408313dc2a7712c4a994b76ab1d5c1b517341b98d02d9cee71a75e1ce1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}