{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "113896",
    "entityType": "User",
    "nonce": "0x18cd2d3943030c3d57b7d28806b501a8e918f806a720520448396dd35abc553a",
    "signature": "0x14e809e1b367bfee8fbfe63413978b58da0e0cbcb28d5bedce3abcec44bbc86546993a6c259551037d5e862f5a78444571d807ff90682e26a932315b7ad33b4a1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}