{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "162446",
    "entityType": "User",
    "nonce": "0xea7fadeb04754bed2c5add6f1f952718b6c3dd591deb26005b113bd168aaaad0",
    "signature": "0x2258778d0a5b013831aceb860432eb23c4ab36aad67979f3ef617d8d3148523367c75dfe0b5b73e0f836d5ae91b353fc0a78a5301e1538fbdda9ecfc2ff8a9f81c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}