{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17632",
    "entityType": "User",
    "nonce": "0x511f94e2e0361a0c2ca6d2371ad5083704066565ec4f98ca93c9e845239fe254",
    "signature": "0x3e81530e5a1ad4fd7f47a578b062407520f1e796c00785b220bfa4d3e8eb8a545080c7df8bd1e69e0b8bccb10f92b2ef6522a4b3a33255402cf8e92e398507ca1b",
    "signer": "0x0D79A8937465487E61C2BcC0a6aC30588b02Ce85",
    "userId": "68644233"
  }
}