{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "335904",
    "entityType": "User",
    "nonce": "0x6a5f21211ddeee902406227b5f552d24a06ff6fa6dbdcd5d31a1587bb24b94ae",
    "signature": "0x1004c4f84bb5408de735c9a8932f5c714c77399d606dcf848891ec7102f04a644cd078b03e552a962a058f69b197bd120ac42729271aa81b44de6480134aba2e1c",
    "signer": "0xf765901fa8CEf102E6aB615eB224ff151Daeef98",
    "userId": "582942186"
  }
}