{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "298766",
    "entityType": "User",
    "nonce": "0x1c5218614c641d611eb9558c8b39cc4f247ad676ce6475ca40f13f2814c9c5fe",
    "signature": "0xbe856691ba14cc99f8056879ece1e17dc8af762945839671ad8535577e6246a56a0de6d28b0186914b1aeb33d8d938db766a8ad9cd2f944efbdada67044929801b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}