{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "715961491",
    "entityType": "User",
    "nonce": "0x82fa6cb2ea5d1215fc071c90637e8dc13834990fc6dbbd3430d7ad1fdb282617",
    "signature": "0xddce6c55b426a6e2c9eac5b892a464fa4c6cb3c8804956d178d1398c4acf2931068aaebf9071c2936bd05bc5d79b45296e8f100bfc0f11563229f26da6e5a8de1b",
    "signer": "0x67E321241D4e44e5aB5D1c365505f0F33044C7BE",
    "userId": "460631539"
  }
}