{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "361950",
    "entityType": "User",
    "nonce": "0x7d5a00a3d2ea9d5287c394d3aa476c0033247553dca2839464ae6c84ef9e3684",
    "signature": "0xaa68c2a891044e07e8a8cb9100cb99e817f59839fc02d91a60114a546ecd4eaa2dd609f2c40c142316b9afed30d33ad7df92402ea12027c5ae06e46db430fb7a1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}