{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "301606",
    "entityType": "User",
    "nonce": "0xd189233c1c50047c089d936a0328bb3b72e7d3f7d6aac29cb8d142505dec44c9",
    "signature": "0x088b51587fac0c036046a318f3163c71e551e6387c3892b19a8f85b596fd6a5f3b8b1358ccee0e62a0256f211ffee37e868f76ec1ead7626c018368d2178fefc1b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}