{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65924",
    "entityType": "User",
    "nonce": "0x8f052a2ed0e50b413fa9e5d45e6467265fdff7b842616e594b55f4372f07c289",
    "signature": "0x936f79d50765028337dfbb17653ac7c59b5de0f8ff9886d59b0e27cba2d0671423bc91841f9c20d3333d36b5244983da960bed6d6bc49e3169649a3e4146fe251c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}