{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "48804",
    "entityType": "User",
    "nonce": "0x595a6219e7e258cfb3fb81c5c5cfcca7c1d76696ffe766f1265d40e98c7865a2",
    "signature": "0xbfb050051ba896d18d4b7c5419ed6d84820f71af4e0d52cf9e4f098e6253297278004363e79d964e3fd8e06ba487350b0517d5a50a498202518c0b99422081901b",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}