{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "133392",
    "entityType": "User",
    "nonce": "0x9aaa0f886e1562f7deff3f49adf22bbabc64e4bd2b9508ff31aabc76fda14d5d",
    "signature": "0x3b0e34fd61d6025e9baabde937badaa32e308283ceaf3611dcc09502f7c4a613438add8ea1ac8ef581fc4580f301f6542e903c8eeb9917082c8d47c5d737d86b1c",
    "signer": "0x000fDf1C4AbF420F755A036b16C19D32d65fAF09",
    "userId": "612358594"
  }
}