{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xc0687f5560b328997fa498a6f2b23b646452d0e9b66b01a06616a8e5e302c733",
    "signature": "0x9a5504749dd18916ddeb75c9008f3ca29a763d8e01b252832a2d52fa829934486c300a843974c497e1ae29f287bed5d6f2bc18a63d2d0340087a881221f9790e1b",
    "signer": "0x74Ae4eB0871Cd172ed0C881b089a7dF6341F3d20",
    "userId": "486833979"
  }
}