{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136484",
    "entityType": "User",
    "nonce": "0xf31770b776481743eef8045e58f7b6bd60832232b012c049951ba4b2f9c4da5d",
    "signature": "0x49343136dfef5f2c7646b274cf6cfd4ded5d4fb6a1926677e6486a807d89f6862730a42cb3f76dc9783a6bb1e41fe6f115fa21e8e361418d40a8718e5089d1191b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}