{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "154647371",
    "entityType": "User",
    "nonce": "0xc954368a4cf330baac7329ef082af6d7915b1caf0f3cd686503fa1cf1dc0c012",
    "signature": "0xa673256a2513c5ba23eddb09c182d91e551d90d272c52d4265014546aa729a62171843cf4af3cf577a469e127be4c0db5408857223f654ffa0af0cbbb06937521c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}