{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "60931",
    "entityType": "User",
    "nonce": "0x8b4338f20521e9abc79caac6379732736f82fe0c39ea25460a9a3b03a21daea0",
    "signature": "0xca246ec580bcc20b965fbbc1479f95f4d24ba7f3d81f7324b18a7792acac8ee677c71b05fcc33d358d2f52bfdbbe1da20ba12750a741bbe7dcaa58174a7ab2371c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}