{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "135428",
    "entityType": "User",
    "nonce": "0x9b7c75c55fd08b6f88fa55932a58306779aefc734b54f5250152cd516ad99304",
    "signature": "0x86c434d2f6f4c2de51a80c47c2c42984defdc66a53a25e11fb46225da604c15d23d42c25cded805d3fd4f2b6abf1a81f90eec2e9f2ffde70e639fbef83b2d6541c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}