{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "124542",
    "entityType": "User",
    "nonce": "0xc2ae9e36e13c63133183a8dc5b17226604806cddb73a5092a07365913bcc8767",
    "signature": "0x339439d7b2a0c73aae5c7b454306ed95ba2fdc5d6b98776286c3f32364d050234476969689efb23bcf44de3b667bb9a1be055fce784c5d63096a9a3d292ffbdf1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}