{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "170302",
    "entityType": "User",
    "nonce": "0x6791d90ce295874912a72e4e90391039c9eb5c337d6e789893c4224214044d14",
    "signature": "0xddf42e8a302d7468d0fe1cd58d6b89652ee675bf58bc413132220aa0655a59d0396dbc16c0758bab90acb33b8b1cd437885c6f856d757d67abc8f87efdbb00231c",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}