{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "847713",
    "entityType": "User",
    "nonce": "0x7c78593fe112a61539182bbd76affd17fc40893db4a4f408874d73889038c5e7",
    "signature": "0xd7f4b319bd55e6eba7c0284b1cb471ed60923b6dbf3087bff9aefcd2d2a1513a74489166e87de38f34236e881fe462d53da90823a5095f70879bc9bc05cb9f7d1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}