{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67211",
    "entityType": "User",
    "nonce": "0xb018c652a41cf134a47e7b8d03c5110d620172af44f0774f4db96ec071dbaf02",
    "signature": "0x3a25f127927b44364f02a5d6de2f6ff5129a939defa0e8e8f1d84009a1ada9396bc799ba41299ffed0b2b78fa279aaa3a4632a69c081f023ae009820014e7a071c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}