{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100976759",
    "entityType": "User",
    "nonce": "0x60c3781efe82533f9c0116de5859cb35b69c54f2ac92a8c2427bd3b46f082ec2",
    "signature": "0x5e6871398756ffd2edb4b655d7514b6e269eee924c6292347909c90069033aae7efe159773c57ce9832467a8267d039a0a1b149187f40d1da7952e8e17e745de1c",
    "signer": "0x4F8e40E75E675f5be20520c4cEA0CbD7bBb999B1",
    "userId": "991796067"
  }
}