{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100910",
    "entityType": "User",
    "nonce": "0x6dc16102c0653214c718e5d0008e08762b3f28a0a7d831edd17101a1b6b51ca9",
    "signature": "0xfca92c00d514b6f464c9a86bae6aef8ea73c63ce07a9707578278ae211a2a070133bd463a4a9358d358a153c3e960be5c79ff885b9ab1f0f7e9bb9980a7ea3c81c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}