{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42179",
    "entityType": "User",
    "nonce": "0x785f509c1ca9372d18d2bcf5125307702a2b9945d8e9dd803ddb9d1201f676e2",
    "signature": "0x6449b880e7f74769c7f380c0a03f2f025380711f81369d53d57f79d68c37671d692027e15ad9c8c14bb36cc2a76310004cdc9669ffb1ef1a04ce148b2695a1351c",
    "signer": "0x4cFd9635b74edd6514FBb781B9C920be24A36AfA",
    "userId": "376830101"
  }
}