{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7702",
    "entityType": "User",
    "nonce": "0xc3d3dfa67b923ac0147cf6e22ac3d1c124ad65b8272fc7635b72b96921a9a134",
    "signature": "0x0ab7e7f27941bbb7d8278ee50e297a91a48e7e53f6666e9869d6b7585b477dac567a85c1e4777fde2bafe2ce2cdffa7728578ef17c3509a5328283968207c7cc1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}