{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "36871",
    "entityType": "User",
    "nonce": "0xcbddb65133675149c76e21e8da85b974f949f6f55acc72b8367d19e001357fc5",
    "signature": "0x9133b42ed96b35d1ed39ae37f261e441dec88d4acdd1bf9ae1d20c8e730334716a4b945c5c47b03bcf17321a5d9ebf490b0aaedc50fac9d7fa24a137935e00ab1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}