{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38358",
    "entityType": "User",
    "nonce": "0x0480de7a7e14697c497231f55baa706542d9747576d54f6f1ca1fea9d0d7685a",
    "signature": "0x71aaf16087f05db6cbd6661f28bd3fe41677c0df42819a7352eca69dd7718f7837764357d1dc220cba9895ec55087fe274615f88fa98d0e00c6e653b66b7dc1a1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}