{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "203070",
    "entityType": "User",
    "nonce": "0xbf53b7d7e67768bcf4317fca0a71811da53d955ba9cb925f860ac937f4d67f8e",
    "signature": "0xf0d48ae2e27ac66fbe0f4f1208faf014b81845643881338ea2120cc9b73284a7384eec65c4709ea380e8a01eda7626ed29e3726edfded08b9acc4073fbbd029f1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}