{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "525853819",
    "entityType": "User",
    "nonce": "0xf7351ef0ff3e2963524aa0d7845b79fd7e1b17d6a8c4e7f85da86402dd9bfc8f",
    "signature": "0x6af11d59fa59d7ff53c7df39c036a6277abfb554ca0e1398ca02eb2627a091a842c9af55f0f88d3d2d61a396852440a4aa37b00e862fc01eb9fea06c4dc657621c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}