{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "102143",
    "entityType": "User",
    "nonce": "0x58754ca175cbc5c63a8b946ffa400c987d096d5072989b00edf046f5c9f37752",
    "signature": "0x47f7cc4076b22ce00ae4e79b9f524d62fa60f6f3e5e0365f7f114c59fb51edda4a65c50289446275768b24347d84499b72c2c9a5628570ac7e977eb42dcdcb351b",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}