{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "592205126",
    "entityType": "User",
    "nonce": "0x4784f622e3c85781aa06110731facd17280713c28b55fb4b3decacf278d95c42",
    "signature": "0x1eee4435b0f0899b810a3a6fea9d62d9b982e815ae047f7444275a65f4c6bc0153d2e1d24cd0a128a2f8478ce1a5f463819fc3cf9c572cb5ab00c84ec6fa77001c",
    "signer": "0xC6f6979d7215C4611Cd7aDb30a42B2812294262c",
    "userId": "55290787"
  }
}