{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0xc95338a65baad3e50790f24c2b3a30ba605141e92fca92f62a5e2267de220877",
    "signature": "0xbb42fe070419e7241f8ee042a3e25236aaf391a48ea6c4670d86726c70acea5f32f420357adaff2dc212d43bf794a5ab435760ed63f4cbfc8c1c6a118f6685611c",
    "signer": "0x1472Fec023A32bFDB4d9d8dD1C920b2DD601638F",
    "userId": "452206810"
  }
}