{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "131345",
    "entityType": "User",
    "nonce": "0x4de530b0a1d36b756ac1f57c64c0d60da578c199862d78eee0292f201f2464d1",
    "signature": "0xd6f2f20eb302dbaf4513f6b4aa94f79dd1403886c31753b2bc555ef9e65677e920e93331f2dfbcb4f64806d20184fea15d55d6d5b98b4f7095ebd6ca873d2a791b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}