{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89",
    "entityType": "User",
    "nonce": "0x1b4981a76aef8301b4b8b88e046d4df7800cfe7276d8033f8d99c20721d7ec8a",
    "signature": "0xcb068c0c8dbb71f7e42126d0ec7edb583bca4fee933a65b62820b75a3b0398782874562965d62978257cfa9e583262762a97d1b4691caf87130107d3fa7a2ceb1b",
    "signer": "0xe23f94433EED8958AAF9868141BA976B8fffb969",
    "userId": "307915745"
  }
}