{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "15642",
    "entityType": "User",
    "nonce": "0x119750c4b76523535cc771951e02964c474497a22651d0f31fe21618091cd347",
    "signature": "0x00f28373eaa0d22f7fa8d6440540e122e0c4f26e0370b15c04319624b816a32c1914721740e76fc7f471dc25dd8ee948b687c056654733fb234e495b10771dd51b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}