{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x0e03adce395e4ab3a19161a9e716cb336521d1f8cd6df15910c1f117364605c7",
    "signature": "0x5773db509a68b2fea5bfd193038efdedb1ac7cd03133a6c216497d67c41ffc660045636ff2f61a442bf6c62ba206a80bf513e93c64d6dea9b74d6cef9610b0791c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}