{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53350",
    "entityType": "User",
    "nonce": "0x0bda8cf4a626f47529967938376981d8e7a9321400cf118cb25935fb54b65097",
    "signature": "0x6fbe8e253685de0994da629d5afdb348bfdb55b0de9611f9780d6eefbec384e42f5b5fe6716ffd01f7cd1e7cda032b5bac0a7aa56dcd04c00b94f10777fcb50b1b",
    "signer": "0x8e583370fd562f78B2670C4BdF8d403A2760eDE0",
    "userId": "726527601"
  }
}