{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "63671",
    "entityType": "User",
    "nonce": "0x808e43d657cc3bf34c588d07a1e2e2739df13ce6ff2cb24e781241cfa15c8c2b",
    "signature": "0x112473fc013107020bd7d6facd8895fd6c0bdeff680e493f7af1a8b3fcdbc56467202fc0245016d45360245f3e9320fce802eaa6921cb5815712daa071ccc42c1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}