{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105562689",
    "entityType": "User",
    "nonce": "0x68b2c50fa34278f12ba6afe115b0f90a74475a3026ca31f97ee1eff7da4d8115",
    "signature": "0xc64193b4c71a9824902c1f56136618bca690b71f187980f56c83845b33cfd53c7a2305ff052fd6052dd44e31c7d3b24dc166f6920542b06e0070784f8a79ac421c",
    "signer": "0xEba824e60AE7F4Dd3303f3881D36c4d4b9f1f4Be",
    "userId": "346741915"
  }
}