{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78278",
    "entityType": "User",
    "nonce": "0x870834a2aeef6de18688816906c60f1dc12fa2684173749c35f1040cd0d549a5",
    "signature": "0x4f44196589d050c9d2d285daf6f0043658c1c34e8e3870a666e9c18d27493e99492ac1974998e1c14935b46bbabf985317670f3a4e7abd56fb72a667b77274251c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}