{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "735980234",
    "entityType": "User",
    "nonce": "0xee4872d69620522f54543f9a6369b10ceaf5a5e5785b9d4940de9d306ed81570",
    "signature": "0xf93b8a641c9c8a70cb7284188ac49277921f30556ca7a4d881f27eea4e78d6590b9aba1960fb7ecfa2ee058df4314f22c79d6d1096717b6baf942eb9ef63389f1b",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}