{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27909",
    "entityType": "User",
    "nonce": "0x43d0961ecdc0d08350e85d9dc90cf3acecfdcea92d7ac64ef7d562a8f272a98d",
    "signature": "0x3050cb6d01e7cec3455ac47c4bbf9eeaf15d554aeace6c8ffdc84d108acd6ace12b2a2faf5925f7ca3fcb1c56eab90c4c8b18522cca9c8b2ec5b1cf9f55ca0031c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}