{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "147204",
    "entityType": "User",
    "nonce": "0x9a62712ce6ca0c4197920f26fc6353b27916b4f710048f292db0ac54942cd0e8",
    "signature": "0x65d88ee3f67645cf9527b6175d64339905d6f7c3212b67d03f6f4f55ebf275bf5959800faa7f887207485aac11ef40c7d65847f52e3b9899174ca4ddb740111b1b",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}