{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "14547",
    "entityType": "User",
    "nonce": "0xc5e4b2cbab09fa946c1a4259ee8b51b551a5503a8d29361188fce21d3ac72cc7",
    "signature": "0xcebf03e5fe67bf06e0a567601ba8868ab3dd676c8056248ef8e0dbda3570967e39916a85c004b0db0a71108ba665db9600030769b33855fe023f85c868541cd11c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}