{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "361777347",
    "entityType": "User",
    "nonce": "0xa2986a4f63a20eb4fb913b0a8d33da10d650d821f6c6f12a3a6c3d4faa53d5c3",
    "signature": "0x4001bcc05e862e7098efad9f294b3467d1c8da2b4737e04c9564468eda279ff674dd5795e3cbf04556558710325273cb6ec5d1084345fd23eea7303b0126e4a71b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}