{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "994858715",
    "entityType": "User",
    "nonce": "0x8c2997cbe36a9cc514a81da65e03638ff02f14a7dbbff30313de1e6d3b152287",
    "signature": "0x05ec5183029d5f74c64a364980e3e212859b2e150ef3e96936e782aaf8bae6bd604ecb49b399034b3dcfb777f47644e111cebd0224e99ee30bd63bb9d49d1dc91c",
    "signer": "0x2F7db4C1AE3922aD0f32CEdED1870278dd17b64b",
    "userId": "467213409"
  }
}