{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "113",
    "entityType": "User",
    "nonce": "0x56884039d2603ddc86af2a9b1b35cb939dc5bfc50d393fc93dd4eba985a82b52",
    "signature": "0xa8193b0ac314b26b6cb027ce5fcd981eab0ccf98e3200b9d670fd7dcd7c4e8e22588466665a0c1ce77ca866b17498df8824054ee6759c534fc733f08eee8bdf21b",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}