{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136049",
    "entityType": "User",
    "nonce": "0x8b6bebafb08ad99f3f4055e851ed40b00c322d1932f0748b3b523a709a8f460f",
    "signature": "0xac6dff7dc6944a5cc31cf508198105257d0c2fcd5e0669e2f8571ca32c68637e233414dd5a897685f894148573a07690c5863d95768d210769f20fb48b0a72971c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}