{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "227159204",
    "entityType": "User",
    "nonce": "0xbceff39c3aa98a90b8214ffe606e3da279a8342987018954a26b7e2842c71fc0",
    "signature": "0x5c943c14b225d8fda8700dada0024a699d8f5fa0c517127533d30504eedaf9645802be7011633f4cc08abab29939bba12b452b81def8148de0afbcf05455e4dc1c",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}