{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "384526",
    "entityType": "User",
    "nonce": "0x8d0dfa99b0e0d88de39a25eea8ef36f644dfe88fb251fe693953a9072690b1be",
    "signature": "0x8428913e6a8d1e7deffad9160e6f71ecc18b5bb19841fb75a0bb572226c25ad806c493cc23e36ae85f786cf1d26d69c0c17a9075ae97f82e5ca907e2a1cf4c1a1b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}