{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "909603442",
    "entityType": "User",
    "nonce": "0x456016d791a5d70df7ef69ecbcc60eb832c9a77c2cc6560b9b89e4edc8f1ed1c",
    "signature": "0x342f60d015cdfed138e3402106809c2edaf49f34d63c8244cc1dca86eb73026a3c431c10920a65b7ea000a2ea46ece28841f79f2f31915c236d698676d4cfd7f1c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}