{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "970214396",
    "entityType": "User",
    "nonce": "0xa7823a8224d501394e6b8d3ed1884f1b368d925442cc7cb07524986c1b0dbcc0",
    "signature": "0x966893782bb93b29dc71d2209f9a8bac38ad347a534ac6b76c144e7df716ee4a20a086622b8bc623caff5e6352a0474985c686e1191f3f2a9b75cee87e2e4f1c1b",
    "signer": "0xc97A6025Ad8c7Ba1a35Ef7E3A3b88ABc8b2013BF",
    "userId": "666092734"
  }
}