{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "115840284",
    "entityType": "User",
    "nonce": "0xa470f3259b73cf6d5d9c80b3ee31470f1d64964fd5adf170dbf08e2b2b94ddbc",
    "signature": "0xdda5cb93846f6659a58d14d4153813366e93a3c6aa47a8238e6d5c68c45c8325141d739b539b69f74b6df520170bc67eef4bad6a21f3a7062ebb4cf1263499bf1c",
    "signer": "0x830F60f6B7AE938A95379f17A1bd1F54Df9E3c68",
    "userId": "743067072"
  }
}