{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "296196980",
    "entityType": "User",
    "nonce": "0x4d76f7e6ad9a4bec624187b338c4a1ac77d16f82ccd95e984308fb48d5dfcca7",
    "signature": "0x4e936ab88520549287844e446c0389416e9e9732da094864b8820a25a3fc8b540056d34060ba55167ea6295dd23d16b03a52f1d6f561532cbbd27585ea4698691c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}