{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "288873",
    "entityType": "User",
    "nonce": "0x1bff3cb0c49b0af45683713018466b7994fb5c366c94dc2f594604b56cc2c67f",
    "signature": "0x4daf70d134c3528939b7026aee67c794d7d9aa2e63a4f5d4694949932caa29315cc5d854d59c379ae20f7a83e12f1eab951639d3482a481d10ade5f6bc6abb451c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}