{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "15162",
    "entityType": "User",
    "nonce": "0x872b6587cb5e7b093b431c381eb237c59ec70a21cfcef973dc08824772b4881a",
    "signature": "0xd4865c259d5baa5371508b229bc51b9dcb4ef877ffdb883e25c9ecfca2045c4617298022a19945d998fedba9781fafb66732bd1349a41f661bfcdc6fe55c330a1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}