{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "636236864",
    "entityType": "User",
    "nonce": "0xa52f862018ddf313b230371352e05ad34eebb9c9e30991ab271067b01e03b0e3",
    "signature": "0x0feac43461bb6bba3fc19c86415abf919df026b850e1a8b37c09f6cc8130ae5045a15e3c8a0934a45c88c901373d4b03072d6e52755e79d905f99e38ae0958421c",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}