{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "806873848",
    "entityType": "User",
    "nonce": "0x1d3bc61c59f927c5081b591e6caf6165cbd3c35504d3002a873eecc64acdc5a8",
    "signature": "0x00d77afde19debeb04e1b2e092d38f74e309778b79baf84d0964c39d7b9eaf3d426a0c49e852b96c0f0fbcb74739c45ed612face5ff1d33bf5849e741937ac661c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}