{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319758166",
    "entityType": "User",
    "nonce": "0x47f3d5b76223b9ea39eeaff722def747e57f1ad767379d29b99256c52748892c",
    "signature": "0xa409cb638c7fa1578da0f0ecbdf11512e239e96d3e6b3ba24bd81664dc9a1f63545c5e28b2185c92df5a4b230094c527422cb64de9e16ebece5fe81d29376e501c",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}