{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57340",
    "entityType": "User",
    "nonce": "0xbb703e19114fff49f9108e136c60b01d349bda1c3ba732c6f8789fe645706a5a",
    "signature": "0xe8b369da3755d3fa1e95de90d36053e7c8ca259952d22ad8df572a700e67af6923d3141d8ca3b7c373d3e8b10073880b814905f670a4adf91980373729969cc61b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}