{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "402",
    "entityType": "User",
    "nonce": "0xccd94d7b7da05dfccfcf145a5996e38eca8d16707e3b8697213a75dde0dd8c79",
    "signature": "0xdfb4c339420d548d5bc090f3c220a37139b833e8f622d1a1e6256672c5a4da454001b3f7a3cff7b84bf5cfb7fe57e57569f768d682991337a644653502b4e5661b",
    "signer": "0x5617e33979Af319eD3a9a6bFF820d69b7e8877a9",
    "userId": "171261"
  }
}