{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "335392",
    "entityType": "User",
    "nonce": "0x6a698c0e2f3574dcf2a7c4d429e00ad90218cd9a8bfe5cb68c8fb066cbac3790",
    "signature": "0x0f9f055ba89a59663552d4aa658c4ca423304d881e3289ba9f8679338f7c0d0456458de0ecff6c960b5016b97108c1a1f8cf8dc5cc7a71b67eb7c8e68dc12bb01c",
    "signer": "0x0D6Fe979092018A5781aE6E1aB0095528543901c",
    "userId": "32331669"
  }
}