{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x2b95f435d686a9303c061fdc57a21a3b9ca51390aa3ac961bb6a6d97b44d023f",
    "signature": "0xbe6cad2b0a8d542d79c67d010dc5c52d447c085fd2ae45ac9a73f5cc5dfa78db34facadae21a4e4482c63251d11da7b8a8dbc6f397783b1a03bb548b667cf90c1b",
    "signer": "0xd4172DACb313eb72C6Ee29bc685450908f4A1926",
    "userId": "407046354"
  }
}