{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "52586",
    "entityType": "User",
    "nonce": "0xc6eb75c72e5f488b24ee66170627950744477d39a7f66041a343968420839f46",
    "signature": "0x1f7a0b34ee569d93ebbcf4f03f47d0fadbeb1cd2920298f7d6bb69566cf435015a392faac19056e53fbe4705bf07f6d3cddcd99dd4f52b95bee1b93a6ec165441b",
    "signer": "0x0B3AF4EF8BaC19f81b6e30C07494DEF195eA0440",
    "userId": "446542239"
  }
}