{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "344861033",
    "entityType": "User",
    "nonce": "0xeb315bd74e8c423324c6669f262c32dce0c6c52801b95ccc71cdae387e4c89a0",
    "signature": "0x381aa30b2e7651dd97aa06bf6eeadab72e95e219660bbf06aec64f8923054f5c18ed6293f497af12b61ed198adcb371d97deb006e7918fe5a889cfba07f917c51c",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}