{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0x7a357234dacac23008d4d677a5b21058053453589917c1d5c9543b7a436a7db0",
    "signature": "0x73448527a171548d41d528188f4bcd7fe95e6798ff4f13363b291b2cd4ffdfd1043cb85661b680575801dde33550af759e039d9a4ce9e37e2391c1aed38636441c",
    "signer": "0x0df3836f76f6DAE67d56d51BfD85a43D9e8b0958",
    "userId": "990130662"
  }
}