{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155352969",
    "entityType": "User",
    "nonce": "0x2a5ce2f74033ce4b24ff72d3caecf22689f1581f005a50a0df8e2dd6362069d0",
    "signature": "0xb166bc2584d84c0c60d68e46de3562a4762d559dd6c9b4564920f6ebd26530fc157b7a36bd1c658049e26cad6c218cdc4e180b9dd82d334d006bc7c1bdcf11da1c",
    "signer": "0xC7B16Eee24C03712c67aa884907593f4df23db87",
    "userId": "56534466"
  }
}