{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1886117",
    "entityType": "User",
    "nonce": "0xbaf70c6a016f9a87c4eed6cf6d07cccc58a92afed12201c8332309a84a54efe0",
    "signature": "0x92860f45b1421b6e084b15e742b7b30eb7ee7771c64ab4ef185e5dcedc49d0831d3587a3a84c47a0b7f333923abbe3da1de64411ebb3890ef63c26e68d14b6d51b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}