{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "809108453",
    "entityType": "User",
    "nonce": "0x6bfa02af22b539806ca2898c01048b3f6dff2620ba9d78a5e34a313a76a67efc",
    "signature": "0xdafd5ef64bd8f64ab9f6fcbef0f4fe8727cb183f484ca0af95c8cc5aedacb195532bbf5d0f8e0438876e4782381eef2ba3179fc50854a959dcba35dbe822c01d1c",
    "signer": "0xc97A6025Ad8c7Ba1a35Ef7E3A3b88ABc8b2013BF",
    "userId": "666092734"
  }
}