{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "135662",
    "entityType": "User",
    "nonce": "0xc672c38f194b2bf368af63473ea274775a1544ba00af9d41f8f8b52396efb51b",
    "signature": "0x339b766c62b16acef3faf4100492e1ee8cfbd11bd7f72c576252e586c0a3ca8f75ae489d36fc4e243066f739d2dbd620d1ccef79f2dee808bf83b8861a71382a1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}