{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "148293",
    "entityType": "User",
    "nonce": "0x93f6e924cbbde17665a80d7fe587b59bd628f712b549a64fd6842225ce46cc16",
    "signature": "0xa96b21cef8534c5af37f14171d0f77aeb1bacf40d4da64aa3850b76461ee0fa202b677ca9a4f58c8bcc3c481425ec1565da9a239b8b20999bb88b40d9c1323ce1b",
    "signer": "0x1A0e34aBD5374BDd677c5de4D5D9718089cB05Eb",
    "userId": "644286186"
  }
}