{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "700531000",
    "entityType": "User",
    "nonce": "0x605cf66610500f7357365637f1770e1c0993e9484aebd3c37dabd0badec0eec5",
    "signature": "0xe0c2630126179d92d8c0f247d7d19a2f54b978b9d7dc4231848fc716567ccbf354529f652e1c46d0d35ca6681779ad63610d9cbff1c88ed941c84a42170a64631b",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}