{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "106237",
    "entityType": "User",
    "nonce": "0xcdc566ad5b129fc064f40e2a4109e97bb7812a45b0a3f3297226f243015e0a90",
    "signature": "0xe1c439476058d7eb7aad91468a0cc9fecfab9dbb301d39f52e5ceb84dcc4c61f21f00d820fe9bef5db023a64085d3cbc873c3a4ecb7737e7ee7d71b48527babb1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}