{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "314842",
    "entityType": "User",
    "nonce": "0x359454b6b1c1e8d4046f6e781cfd3943009d917d33efd05f2a8255d6d6b2033f",
    "signature": "0xbf8610d0bea442a6a5ff2cf6672f5a9264e22326ecfce34d1577b6e6f82b1080045fd90d6bcd42531c44283e69f489152606c76ea3003d2a76caa8406555d7321b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}