{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "125955",
    "entityType": "User",
    "nonce": "0x2be3c2c86a224c724387cc520d3f9513709020a8b91e34d54a751099413ef401",
    "signature": "0x49ad1025467c117d788f488d4aa8050b63c15e90baf6b6a8364e801ea576582253660c0f02969c0d5b6865644c920d59158d685f180d31e98319956221b2bc741c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}