{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "436968",
    "entityType": "User",
    "nonce": "0xd0eab5fe93c01181222ac0db046e574112d22b37087cc613136030c7628e2b51",
    "signature": "0xe05c2601bbaf011f9ba4d05b8c705e14ecffd413dae371c0314dfcc1431b62f11c7bfc99d3e876fe2a185f5ec860f58674183612aba29a5fbfd91ae46921805f1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}