{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100393",
    "entityType": "User",
    "nonce": "0xdd1b25f98d8dbd56d5156c966d3044991fe7343e2492fe02bf93466a7679ff86",
    "signature": "0x9d5429286722f17c224327f538eaede2c086cd82280f33ef249302a88412e5731a8d526e5e7a185a1de48777dc431c444698a6a16a3f7ac5a7750ee211312e7b1b",
    "signer": "0x7E7b9c4DAC3F284d889a5bc274eA80b8BA5F63ee",
    "userId": "670307808"
  }
}