{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41209",
    "entityType": "User",
    "nonce": "0xb07560be6865e09c3a3ac44e35bca79f5f24ac9d4e25195679d6f8d7225e8e54",
    "signature": "0x6bcb7b4d0ea9eb4d04649554b83736e24523151cc89ea18d776be2c344e37b51602d7d26f95f3a7912e9c3de8e6110c1eb5b18c24dcf62afcebcedce513986391b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}