{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "234183",
    "entityType": "User",
    "nonce": "0x348d24d7b61cb7c700a254416c55c6e122fc673053236698ab050883663bd571",
    "signature": "0xb3a3f03c9fb084647814e302c3e11ca21b9fb0671ee800dca747887a69db261914100258ce6408f26fcd27d938247b24f2d7aeef496c5de1b1ff9e8296543d551c",
    "signer": "0x9369ae91F6A1cC4996D9126FD991d64e7E24c805",
    "userId": "333763354"
  }
}