{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "99913",
    "entityType": "User",
    "nonce": "0x7624518204c058f044e9fca5dde95f02fcc5f71ac32b8718a97bb6d1abcf0d22",
    "signature": "0x261808000085b95e3de496415ae42d3e6cc5f9d4179fa6892d7a741e450db51c00c131a7b13e595b9d836d7cc0803e988e378ef23558e8d9dab9949ebfde468c1b",
    "signer": "0x4a57e2DeD165f5711bbB2bFF6253838BcFee1928",
    "userId": "268361684"
  }
}