{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105562689",
    "entityType": "User",
    "nonce": "0xf5290e146564128676d24cd75c7b9aa36267136c322da915ba26fb4d85f1ac94",
    "signature": "0x38fc58816563eaed6a75066969b94775bcd359fe7c942b9349f9ab69b5a54b534b6a8cdccbd15a14b799922385b37636657433b7180b1dba2b02ef6ef69837d41b",
    "signer": "0x225A0F26D8c354e4B16725295bDabb4983d0F6F1",
    "userId": "994175139"
  }
}