{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "159460377",
    "entityType": "User",
    "nonce": "0x17e6a9da397dd634733e0463a9704e7baf7916056d3e1cb7872b8c1ef5e7065e",
    "signature": "0xa05e3c185aaa27f97e08a2fc48dae7f55c38592309815481644529b6541045935e8176d084f3e1b09878c649c25b6cae7057cb1d732c0c757e7331b75851edfe1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}