{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "404",
    "entityType": "User",
    "nonce": "0xb7390d3cf532791e150f75545f4118b0035d91add5eb8512bf039e119bf69995",
    "signature": "0x389065ddeda3d3bb34e5eccccf5a12c5e084aa68f69f195254e4a18c0576eec102f6a0748cb66318b3726f15fc250f06c3fb6e6060673c1a031f7dae63409db21b",
    "signer": "0xde20EFD4369a97D5944f788c95F12724a7b095DD",
    "userId": "360439889"
  }
}