{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39692",
    "entityType": "User",
    "nonce": "0x874a769dde908d7b2165fbcc6c667bd2b8c58973df6ae82dea8a553f86a0c908",
    "signature": "0x52e4c69686aaf6573023ed2eafa1aac1f7f9613877cd632df3d583ffc98ec0a40af73d5b0ef35f17e6c4473863162d95773226545f2e914e5f03828297a260f51b",
    "signer": "0xB12E323b11D9f9ff782100fEA9DC62fA6566Ea51",
    "userId": "622482628"
  }
}