{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "881956045",
    "entityType": "User",
    "nonce": "0x0b6453af296f6267b11e1761ed24feded8145595f130923b2b1c86c9e52853f2",
    "signature": "0xd7c35e451d4f7b3f566368c3a7710c3aba1efe48bbf75cfb286872d8df53a0a951460ce1f2e29d627aa181483ed64107876d0db3bacafafcc1c5ad97cd9283761c",
    "signer": "0x15ea5556dffA2162b82c5Aa96d8bcF804Dba7f70",
    "userId": "982114212"
  }
}