{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf43bd3923914dcbf9519fba615a0419f8a85554633946250df76d2199dd46f41",
    "signature": "0xb47bce56f382868c00bc2d7a329a3a95e7cdbb2585ab0863b862ef0068dd78640ed4f860b8feca8239584a46f5cb730b83b16c67c2d1f17d431600a8e0f316631b",
    "signer": "0xc95EFE880463dc9E6fC74760701bBb0A05704C9c",
    "userId": "95927626"
  }
}