{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "22997627",
    "entityType": "User",
    "nonce": "0x194b39864ede0c08f484329bf1322f0ce9ee31dbf937cf8a07064e7e3f9b0d77",
    "signature": "0xd5118ef45b8230eb27dc5a030c44cfb533dd906314a8fefee2efda571ddf04b0701b4ba30fc78d103c1faf6a7c24503666ece2ee976edfccfbc2cad27d5d2d771b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}