{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "670307808",
    "entityType": "User",
    "nonce": "0x7fdda14e6b5d2e22a75d702147ae69aba109b852ad35a1e3a81d1b847299aa0f",
    "signature": "0xfc07d2947b2b0bc1b9da3519d28869acad1080715dbba15c828b621da847e996415ec0a6e498f0bc97755ae82c54b8bb6b92707d53d204059857e544789a28f01c",
    "signer": "0x176e72dFeDc28F932BeC73B513ff006a4b45dDa2",
    "userId": "93920271"
  }
}