{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "843",
    "entityType": "User",
    "nonce": "0x5c2f4cb111626052ae2e16dce47f8193e8dd4bca40343708a54bc1f10082d23b",
    "signature": "0xe97e717e528ba37c1498ddc76931764158fb59fc69ab7c996aa8658fe64c081917365d04f34e5e4ff2ab1885c8db043b4826bc919e22d96412129ea312aeb8741b",
    "signer": "0x0E71C12c426F5C9206F778713f48B60477CA943b",
    "userId": "29088079"
  }
}