{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xdb80a13894929f1ea29cac79cf6cf6f2336b3e995bdae7d9dc537ba9d2157144",
    "signature": "0x1b6dd56a60250a7222e06a433421d1ce754b599c8db7cdb292acf21e4c026a8a709c537562b1b383614c66e6a5e2a31acc1640eebab950b0dbbe17b45a7416971c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}