{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4686",
    "entityType": "User",
    "nonce": "0x9879ce2da72533d02ff6e0fb128cfba7bf1591721382dbc65f6dd7160a388010",
    "signature": "0xfccec9d7efb80a8c1937d411227bdfffef0f324d143835e823da8234dca404036bbef740d9c30d8babbc26e6a9c1b5af1a50d10c0ad65bb412683ed36178ef3c1b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}