{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49313",
    "entityType": "User",
    "nonce": "0x7d70e843aefe5885cda668821badb60ae5eeccfd45af529a7fb1fa14363e4358",
    "signature": "0xdfcb77490f707f3b951053c205881f20f23e9be657d883c8a6b3bcd3c69d0626393e17a7593de8fbec87935e1022af1ce3d07468a6f7147e55d1f231a94576d91b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}