{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54612",
    "entityType": "User",
    "nonce": "0x1dd884dc7650860db24794c863119d05652b00734810e1209788e988c8a881dc",
    "signature": "0xa6ba00768632e2560287d83680d157cfaf6cb0ea5489eb7e36cbbfdcbb1b380b5489e2638dd16b29fc50d648c59764d705081715e0e5a0b9946fafa2987366c01b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}