{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967906892",
    "entityType": "User",
    "nonce": "0x6d4819880f6d8c0e745feb1a4e9f9032bf28ae2f796ef9030e1387f45d3100ab",
    "signature": "0x4c13bbfcfc1a0108a4793f9a28b2628e19d7a632d2ddbf99fcf267e116470c97060a841a18477ccb3be49e90f9f46fa8d6add317da588fea16ff5d3cb5361e191c",
    "signer": "0xA27B00F57fC7B3E81c4d7C4919aCec97E1fCf667",
    "userId": "329513359"
  }
}