{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf70e61a92da716cbd702a9e0ad392e82937a118a83460288eab1708ff758b1ee",
    "signature": "0xdc13acfd6ab99018f21674558a64551cf0f70872023de787be886819efaa408b031313142154ff806edfa6acd59395003e09c4f0aba8f1dbea4dbc888561cca91c",
    "signer": "0x7a9beB830e77B75f0272D0090867Ae03DB123B38",
    "userId": "360694989"
  }
}