{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "112337197",
    "entityType": "User",
    "nonce": "0x6187ef17a166c9ec5830c137cafbe2853163ab2183d666fca3b656972871a26b",
    "signature": "0xa0edde39dcab44529f95bf8bfc58af04f201c1932591f8fd0f8c2c37d574a1bd3b3a87fb216ce7bb8fefd6f88c05518daef3779fb213a4c018fd7f01d5d642721c",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}