{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319048",
    "entityType": "User",
    "nonce": "0x3c037166e62b2165e3ea4c52eda5970470d815952caf8b766a11079d34ffb665",
    "signature": "0x13369b3a095f8800dbf34ff35caba7e437b06e658aa354dd49a6b160fd0419a056ea40f156a3062a5704eacc8d472d6afec2ab8c886e40bc970b9ea66252644f1c",
    "signer": "0xb6B208a8f79b1D88d245afa5aDB0a40d38cd6DD1",
    "userId": "528688046"
  }
}