{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0x10635d9a16fe0c7e6096c4923b1228b4db2d342a1acac8d5a961c177031b213a",
    "signature": "0x427f1e72736e8699a3530a404e4fa0822e67e192811532e3c6bda591d38e229e1ff7bd221a158fe3e574b6b181b542e166eca1e362608b649ee09f561ad5fd3c1c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}