{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x3a97ff1fe91823e28b356e2ca6f50b4ad26822a02003c65a22631f043054727e",
    "signature": "0x0134596a154a163c202afa8849cb76592be4e0d01730777c4e4d919587a6b76933ec54da17d97ef0b554e19ee0daa5ddce07e163c4d2d0471619d0eec8d31cb71b",
    "signer": "0xdD03ED106abBEF4982159500e32B8602B985a69B",
    "userId": "444965341"
  }
}