{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101075",
    "entityType": "User",
    "nonce": "0x61577a7bbd9e20bae59e1ad9924563357f8e98b5d112bf0f3d3c6ebf9c39363f",
    "signature": "0x1efb66232fb4b2b6e6b182d1e8a7549e269cdbffed1a7adafa8d7d8761e2668d7c98b4926f4f03140a0eb9dafaee829df2e7ec195d682667307bb5489cafb1391b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}