{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "648802251",
    "entityType": "User",
    "nonce": "0x87955c48f646a9f0e01626f8404ac846ed7dd533bf4a31611cf45e9c9a3fda5b",
    "signature": "0x0a6d9cb8a254d86ef30b2b72072e648d3a6fb8e0aa0827106c5fd66b817bc6072617c4f81d5c57e0e9ddb33addb50955beed6c16c32605d854bcd70a413dfafd1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}