{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "147243",
    "entityType": "User",
    "nonce": "0x6b58dc906f0d99e76b24c5b5e1c247dfe598efb07c46f6337ac3f8d628e4c584",
    "signature": "0x41c528d8d82bc6519f1a5843342d304926dd02f09e8669bb507af1ae72c05651231494f788b3d4e8618541668a81218d7796a6f60019408c2f968d763bcea85f1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}