{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xada671ef0a8ea6e474daf14aec1c2005ba932d7ded66d81c9debedd37cb49749",
    "signature": "0x51504e143eb35acdc211452fd2c2196d2128466ac3092525f63801324e2c27ee0a9dcbec963fa8d84b13e8d617f9bb016d9e727fc9e98ca66efc0b9922a191c81b",
    "signer": "0x1A64C0A21915fdd68011BDC6f7b08F69150b4d5A",
    "userId": "928424962"
  }
}