{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20",
    "entityType": "User",
    "nonce": "0xe2c9a954ae1e7d9dae83fb93613a3b0d6085e17650bd4195ffb15a7700d0d585",
    "signature": "0xf0ac0695e8c7c8c222c2d8bef9a61ecb734cd5829b19c48341012ec7cca576c44ee93393a4b74ce5f9190ce0fc931610af7776c80a6d5c2b1d6896f3329196c41c",
    "signer": "0x1265314B015c9985CDBDD5e458c4648EE6d6A387",
    "userId": "828737354"
  }
}