{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "99786",
    "entityType": "User",
    "nonce": "0x7968ca84f53e14bdd988c559a7950e4e4ad5329698cba0642b16938bf151f58d",
    "signature": "0x588339f1ed501440e3904c60ce8ae95800fa6bfd1d6517faf9c5e150fc582bfb2eab4d829848d84c92add75bfeba0d1cec06dc6622474b0cb523b078b8dbb2121b",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}