{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0x787dfb779037ce2958d72134cfcbe792f20258e9e0c7389061d6f3037d22ad49",
    "signature": "0x83af4c7f3a7209fd68c92b38f945c3c707cc4180680bd6e2afb930e4c3b9f6e5274e53f033c08c6dad0e2f53cb723d50b7cf4fca0f61840bf8ea290c6f31e6971b",
    "signer": "0x406fd2b6f6C6cC5622Ac1c5799cE4911D81e02a7",
    "userId": "461949730"
  }
}