{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "12169587",
    "entityType": "User",
    "nonce": "0x77750942ea690fca97d1ea08644adc3e248714b8db1d5f3e02cb3b9614d24afd",
    "signature": "0x612891eb9b18870e6872d90fcf6d5c59ea8310d31d1867ed44707e04273a95701849800fbed11d72c205ac605ab6b09a026a6e25a44fe32b82338f783d23cb9b1c",
    "signer": "0xAfE04b3A47505816aD72A3036422AC553C1dFEc3",
    "userId": "515307498"
  }
}