{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0b0d3679474c38419e2f3b40b77477bd873b889ea9b3764af833a111ebb21e33",
    "signature": "0xd54eaa88c0b075feaf9a4976d5c6804f7169db3be8f434fc8cbebf80962d23347a45d52de9cc4eeb030a6caa8ecaa4964ce57fd37a229bafe784876e157941041c",
    "signer": "0x32DaED3944C2565D502Ab8c78a7f7781D376a95b",
    "userId": "172698192"
  }
}