{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "846934122",
    "entityType": "User",
    "nonce": "0x38ae80d7e86c1a9b281c82fe221b5b42e206e715c9ab7d27dbc883987b32662d",
    "signature": "0x704d66aa606973a0e141e7df3fe1e50652da928de5e2b4804f4654d52c3d02241c62e8f742eeead9c160d8281601cc1162d7c8d2938e0cd014bf1aaa060c72261b",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}