{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39865",
    "entityType": "User",
    "nonce": "0x37f65d87dc99f02e87087a4385bdaf2cd8619fb755933d5a34c0d25b4ddf94c8",
    "signature": "0x92e5d32a651c51dccd70520a0e76798cbbfa74d470f6463ebe8f1c9ff02e6c175924579a16f987cdf7b10837d7cdb8290c13186d3085631807d026a782f9f9f21c",
    "signer": "0xC7D69243b2161915036b32017e4FC8ea02d7faF1",
    "userId": "80378"
  }
}