{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "266045",
    "entityType": "User",
    "nonce": "0x298d9999588eb8b4f1d6e6831425a6dab9ab0dfbc7f14c435822e252dc0e14c8",
    "signature": "0xf5f4ab702ead0d169ec36d126bb783ad66c3c03f5d1b3887644dba9084bc17ba7fcb91ae3b5c84aa2d9f89c71d348693219a3695258d58889e23b9ec65394cdd1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}