{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "63949",
    "entityType": "User",
    "nonce": "0x92c3367104908c1b13b1ee047d3352fa4a1c3477c186f08a21cc2f6b124f6032",
    "signature": "0x79aa4cdd77d6af7c9481ba5baf4776ba36209891f58efe3c061bf05c2df722bb6c494a296055a53dbb38c22c1ea98d2069a56a4a390fa9762ae8ea0e16713d1b1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}