{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "936614",
    "entityType": "User",
    "nonce": "0xe45a90dcc8e396df8731b3c67cf8078965aa4b3b59786371e2307b1cbc92881e",
    "signature": "0x9e75696082dc0ce451436068880f48b3fbb6cd36473f671d63a6b73cde69a80521683d4a717ebad1e865ccc703af50788dc5faffccf8c4e4dc1b5f6eb469ac201c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}