{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "906184213",
    "entityType": "User",
    "nonce": "0x1efbe5c3164d025e1650371d19baaecad0c2c29a9c99b1c65dc8a08cfe66fa5c",
    "signature": "0xf83ca54c0fc8a1e1a7ea7948ef46763a6356c95269fe63e6dd44a813c0ed2cc14d4facffab19f777db20b50d31ea91bd70b0dd8eaaf07611712ec055745176aa1c",
    "signer": "0x5aABF607817cf3cD4d866cc396132C82164f784F",
    "userId": "464183022"
  }
}