{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "290081",
    "entityType": "User",
    "nonce": "0xbbec307d46853dc4b61f691e4d75273af31a7f096939425ce3a934bc971fdd69",
    "signature": "0x59129dbdc5eeec4c3b7b18bc5260305b6156780d2f458170c5c8d5af7f2bc0b80abae9992d17f78244e9b1512c7fc8835f248efabc132da9889fcc887c0d94181c",
    "signer": "0xaa3bcf8712A3f5a178c83edE5e3DA745C257458e",
    "userId": "976266161"
  }
}