{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1706414",
    "entityType": "User",
    "nonce": "0x6c132072d8221a6feaccfcb8b552d51f3b62249b289e6eed5d4d00a3a8240ed3",
    "signature": "0x0ea477408970ba6c00a2253707794155a487ba6e04831b07ee68abf7c8df32c0006595cd0b2931bd4ac0512c9718fd2316f9fc862a53153184d3291f527e99521c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}