{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0xd1beafe0e5a22d3dfb6e0ea499bf178a972e0e7e4498de9023692e3e4d542172",
    "signature": "0x0917620f8aa25b38e2fb1b307af0df959ac9e344f0f5b07c0f50e64d64f0fe107af135e54af2fa9aec2ea8a74930792d974c6ce9572bd5c0caacf66562603c171b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}