{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "277314120",
    "entityType": "User",
    "nonce": "0x1bcefbfbd82e275246ea7119099a40dce248f10479f364d1dfeb012af6dec9f6",
    "signature": "0x2d794d92f3bee7a81744b64ccde046c24ce85108546607841892573a03b3169842a351d4047097881a8e4af7547f2f566d040be22ce79a280127bd42deebebd31b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}