{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xaa902b3fd34a915063ae0a22bd5c843b4b172d7c7411f4e4533b2e0ce6ecb9e5",
    "signature": "0x0ff2f6fb9a888a9d5203beed84096872e66935604d9f0e40a66ca672dea7f86d6185390ac8250077dc62d6a0c97fea9fce8538e041fc31456430fbd51ca4ebbb1c",
    "signer": "0x3e48DC5763519fbdE0A26db7C59929E8Bb6B8Fe2",
    "userId": "971129804"
  }
}