{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "150133",
    "entityType": "User",
    "nonce": "0x965338512eb529efdbe399001188dfdfd16b5577c3f760f40aa9c38887367b0f",
    "signature": "0xafe411d188db44c00952ab7b4de59485dbe75a55ac028f2375243320a9cb7af43e9bb215beecd282ed8f1d96bf87e66cafcc13bf9b1a4aafe52e46f7c320255c1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}