{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "786922215",
    "entityType": "User",
    "nonce": "0x15fb96eea570e2997c6f5532bb9d9712179aa95b1949d90d66232208b1ba287a",
    "signature": "0xd9126ddaee5dfe3f73f463ac7bd065f2e4423ba27d58e733a6ed54a9784fd2984d8db2af05ea90a78c9aeb8e5192ddf8c58596a643f597f4e0ef6e3f1957e8eb1c",
    "signer": "0x2F87bb373089af6C75e3362077A0E52A4779f72c",
    "userId": "582715056"
  }
}