{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2950",
    "entityType": "User",
    "nonce": "0xa3c95deb0912e990ab73251193bc81f3fefbc4e3d3057739e16e7e4301db65c5",
    "signature": "0xeb684fb13a9ad5f796459da6ff654593951dd854ca22e2494dfb6381b212c08529142afa4579ee1deb5a75996fbc71c9a5e17ae68692369a1a8bc5d21c32ae5f1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}