{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136844578",
    "entityType": "User",
    "nonce": "0x36dabf01ae91f0397cae2adcde6a066817e41f11453a0057a016c80bad980bdd",
    "signature": "0x62b69798e72eacdbcabf631642653e9a61af7b25e24fc077346d3727d8e1c93d4246659f7346d7375bb5ce066d7a0e090655848c052870151c8d1d2b4a0969ff1c",
    "signer": "0x6Af6D40d1d0B48D79D2bd3E3c8f0a45540130c0F",
    "userId": "89433"
  }
}