{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0x0620566a55c559f4c8ff2a976238e6466d874f210f740b273a583eddd72742e5",
    "signature": "0xf7c3268fa68ce7be6c63316f728e65ad194045929186fa3b40862f09aba75490296352a289e1f1065a5a017a8e062a4d54914739efba03ca9e850f6c88ce05e21c",
    "signer": "0xa0c0216b7895a5D5d1C6bA31e0c046Fa7dc5B88E",
    "userId": "252885271"
  }
}