{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120718",
    "entityType": "User",
    "nonce": "0x3c46c1890f026f47b0ac3dc5f9e4844298d9bf2c80170fdb1db0d81aa9f5d313",
    "signature": "0xf66262f00680f7201f9afcf74903ac37745bfd2a61523eedacb280e283a804340f8e23d40fa69318b26d7aaa5f07f7166a9534707c42d4ba31712a9ad68714481c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}