{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "109987",
    "entityType": "User",
    "nonce": "0x294c58ce58579981ae5464716d037fba5cc2d33d92c037bbd15dcd5288e39110",
    "signature": "0x33fa5730de01cee907530ecd0284d7ca1e89971cb637c79de0107c635aba6ae70d0eb71b34edb290994c6e243dd5eaae39cfbfd3a8ae27fa3dcf2c2dc320725b1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}