{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "191315561",
    "entityType": "User",
    "nonce": "0x8bb00bbc35f73a52d15b4b59d56317e6f736430ab0461a978e285148d7e5fd5e",
    "signature": "0xfc951fa4713343438f16689f6274df5813da6afb14e687a2f0658ed04429eee65496a2ae3f2ba29b243bc6fcbb2e097d3ece44a32289b0bcd8b68afb1e55b52a1b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}