{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108056",
    "entityType": "User",
    "nonce": "0xccc41037c3bb386e13f4791ecddedd3d8736e48d725dab1d9f8c452620807f3b",
    "signature": "0xddebae0256703dc6c5968f09995e2a735cdfb6cba6b7e1c67cd0a4c0a393b52f6fd54a647bb5c3166490a7ccc230d89e59f4a77b30e4364bb5eb50bcdffc5a451b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}