{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "846471257",
    "entityType": "User",
    "nonce": "0xea58953ae388b0217fc76e5066c0aa13602c3d22d9605f659731f8f5b3dd9f0d",
    "signature": "0x5d0ec8b731a22f5c52d9310ded8293aa4f059d647956cb68bac6dcac052736401649b1c7912752bcf78f85c2b05202ef32ed6fe4df6c5829a9d8716126a234481c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}