{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "94317",
    "entityType": "User",
    "nonce": "0x3c647c3cf18a7f19178831ae074696332ed72dc3297711dbb53fb47c731179d7",
    "signature": "0x93a15560edf5d74704c5b95caf6b75115b01e55f536ae2ef1d181cb10c10df95321e41ebebbd237006ffbae7dcd91da48c7e2168d48ce1a20d5410bdbf18f9301c",
    "signer": "0xD6cb88a7DD0a1a267E97ca76ADc8C6734f00aDAB",
    "userId": "434726778"
  }
}