{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x8dc4fb056cb73895fbffd4159513f878fc97b33f3d20cd084f0fb70a4f072ae8",
    "signature": "0xbf246260d3a9bf9dd7b1a189c2f5ad8a3f486557df9a0bf168352cccd8402d6a2a9f9e3047e78bb12378397c117c7f340703434a9d65f30ac0363754e5e2d28e1c",
    "signer": "0x8410ae550e371F50E654eE78f3b43Fd696c1a25c",
    "userId": "649036093"
  }
}