{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "458785967",
    "entityType": "User",
    "nonce": "0x7f5a1cc6eb5baace0ea56aa3a069c030f390dea297679dfcfc9e255fd4224105",
    "signature": "0x161012a308fba338e7b8d97586b151dadadf48213a1d44a9889e5a4cef8ecd9f0ab10f0603ce3c4dd8e7a056a92a6ddb31ee1b9286ecf9f70375d66494eaab541b",
    "signer": "0x8714181b6CC4ef4089058190cEA8db6ff1a85b62",
    "userId": "295478826"
  }
}