{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "72189",
    "entityType": "User",
    "nonce": "0x6f802c033f016c21533a89de804fc0006468a1cda5d58c19f59a6b73fc50ce35",
    "signature": "0x0daa81da41264f5696ab43064fc8bf5bf041f0abd68b557355fbb406f7fdc05075a447beb4883698a0040b09dfa2fbba3ca277768efe58d3fbea0c4078b907ef1b",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}