{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "979358380",
    "entityType": "User",
    "nonce": "0x10aba0cd2333b908b71d97156b0e023885168fd8d04fde31e29e326a8dfd53df",
    "signature": "0xd4618e4dc20f2bf4cd5885099c95c5eb3dfe23721059c3d85d1a02ac032ed7605be52f3d9f96aaf595db841b0227b591e5fe7ab849c85ac3e9c6e4c6234af2f61b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}