{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "127964526",
    "entityType": "User",
    "nonce": "0x39e4ecf6e758fb25f3b76f9b303a913f0fba09027ba71e818d70ba5f94319db3",
    "signature": "0x4324e01396606bd2cc26e883851337d5bea507fc969b90a0e97a11fb46d23ef5398c86d5d5a0d25ad53852e4443b667b74c0ad1d52254f269729d8837c483f751b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}