{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "209264",
    "entityType": "User",
    "nonce": "0x89ded743db7bade064b84d8a31c07da4e02880ac7ab42c8edfe804f5d4e82582",
    "signature": "0x49ae340002ccaeb01d226aaf874fc7e12840fe0048e20a50c1953a08a5ba183c1beb9c044aef13b146124ff10780a55e36025bc63e04c3e517eecded78a2b47d1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}