{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "183565516",
    "entityType": "User",
    "nonce": "0x9f5bcee7e52862ca12d37eb5cf86ac401d994a6ac42be781cea6884702d63bfa",
    "signature": "0xe3395d94ae569d3ed582f482b756ce990dd89299993c078b7d5c8bf4ba8e1bd73ec7f15d19fd50484fafcee88d720b2322bc175bf5787bfbfc420be42bc04a651b",
    "signer": "0x4D1242D0da3f49195E59794290Cbfd833cCD04FF",
    "userId": "627952347"
  }
}