{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "384526",
    "entityType": "User",
    "nonce": "0xe161671655772cc85ed7d8a5375be271966787d6b5a18109c4e3c53a5408be8b",
    "signature": "0x977c29db3b08fc1e7bf6e5baa6059897a7ac5af195ae2f6c0a69de6b45cde7b1718f199f2913b82e00d791241e06d89167d39d782a7591827de641cb393f122f1b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}