{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7892",
    "entityType": "User",
    "nonce": "0xd0e6a8f067ae09028637fee99a98548e0e12673381043c5e323cc54784d99635",
    "signature": "0xd514a5073a6791b28fa1aa65e396caebde68bcaad973207157e8097f445d6698547d199650c1076ad4e4ed796dbd81e9fb85a8cdf00e02ecebeda49d6f2d000b1c",
    "signer": "0x3650a89287dc01b8b035442A3E9e1fdCC1CC2324",
    "userId": "572305760"
  }
}