{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "383103",
    "entityType": "User",
    "nonce": "0x17cd2fb77535dac0601611b21f3178645730cf77c624ba5ffdccf18b958121d2",
    "signature": "0xa5406e4d4668ab6621721f1b321091f7f16fbdb6fed07bd8a79e9cb1574041d80754b09c41b6aca70af80a019be6d864e64eff342609b2d99ca6a71bf237c1251b",
    "signer": "0xA7D206a8f2b63986B1Af437a01CFbCDCcE69601e",
    "userId": "856769027"
  }
}