{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "133442",
    "entityType": "User",
    "nonce": "0x8cdfa08f4c10b32b8798b1b7cf21db3f3b6f1865f612a61702cc65fbccc10019",
    "signature": "0xff36f23cdc11b8d1c46b6f7769ec5b793d24179c92984c2c8472ee0fccfe52fd47e6a1587915b4d2b090517ee0832acde309c9b2984cf5a43f42395707fb2c5d1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}