{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "165139",
    "entityType": "User",
    "nonce": "0x25d8e497c19d6e26bf7882b21dae6db19ac000672d9de158c0ef570af7164bab",
    "signature": "0xfce845d1a00f6d4a63bcc06727bae30fd1a414419bd6b04511314ee5771574db7359335e018435990dcc5d47c635bbec521c52e89177cc4ccb17b101d01bc89b1b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}