{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "170559",
    "entityType": "User",
    "nonce": "0x88592bf5c1c0ba394c1582d96d6869810c2f18550fc9b515beedcfe18bf554d3",
    "signature": "0xbc568a10913d3b05802862dcbc4325560dd2f036d03fec95015cf3f4ba7005316c415c12ff487d50ccea22b89ca398adf115f1f02298fd770e22488d08b811f31b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}