{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5247",
    "entityType": "User",
    "nonce": "0x44fe07d25316136e1c9cec382a69193f9923e6b981bf0710287f984029d4c6e8",
    "signature": "0x8e73786a783abd6100fd86eb0712bc9f8f79c9b230a2ddf331ef3408328756f427bcf014d62a68fe9a362715d9549b544827105f13ce2aeb3ce81911a0a0c3ef1c",
    "signer": "0x2F7db4C1AE3922aD0f32CEdED1870278dd17b64b",
    "userId": "467213409"
  }
}