{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x286ecdb35a8b7d9d29f71d50986870fa868f8e9c6705928e3addbefc11bb2ada",
    "signature": "0xa668cb773326110dbe2ec73c9356f0eea66ba74a7a18b6d700702a89dd6b750e298ed177d1dc9ebca885a461917e45ee1158fab6a9df6958a7dcc22e9c567f081c",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}